DC Animated Universe
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{{Member|Kr}}
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{{Member|Kr|FA}}
{{Featured article}}
 
 
[[File:Kryptonite.png|thumb|250px|A chunk of Kryptonite.]]
 
[[File:Kryptonite.png|thumb|250px|A chunk of Kryptonite.]]
{{quote|The fact that your body chemistry absorbs the radiations so readily, leads me to believe that you share with it a point of origin."<br />"You mean it came from [[Krypton]]?"<br />"More than likely it is Krypton, or rather a small piece of it. 'Kryptonite' if you will.|[[Emil Hamilton]] and [[Superman]]|source=<ref name="A Little Piece of Home">{{stas}}, "[[A Little Piece of Home]]"</ref>}}
+
{{quote|You mean it came from [[Krypton]]?"<br />"More than likely it is Krypton, or rather a small piece of it. 'Kryptonite' if you will.|[[Superman]] and [[Emil Hamilton]]|source=<ref name="stas105">{{ep ref|stas|105}}</ref>}}
   
'''Kryptonite''' was the name coined by [[Emil Hamilton]] for radioactive fragments of the destroyed planet [[Krypton]]. This substance had immediate detrimental effects on [[Kryptonian]]s and [[Argoan]]s, as well as [[Kryptonite poisoning|long term effects]] on humans.
+
'''Kryptonite''' was the name coined by [[Emil Hamilton]] for radioactive fragments of the destroyed planet [[Krypton]]. This substance had immediate, detrimental effects on yellow sun-powered [[Kryptonian]]s and [[Argoan]]s, as well as [[Kryptonite poisoning|long-term effects]] on humans.
   
 
== History ==
 
== History ==
   
When Krypton exploded, its fragments flew into space in every direction, with several fragments following [[Kal-El]]'s spacecraft to Earth.<ref>Idem, "[[The Last Son of Krypton, Part I]]"</ref>
+
When Krypton exploded, its fragments flew into space in every direction, with several fragments following [[Kal-El]]'s spacecraft to Earth.<ref>{{ep ref|stas|101}}</ref>
   
The existence of Kryptonite was first discovered shortly after [[Superman]]'s first public appearance in [[Metropolis]].<ref name="A Little Piece of Home" /> Early tests were conducted by [[LexCorp]] scientists, and further tests by Professor Hamilton, who theorized that the low-level radiation generated by the element was a result of the explosion that destroyed Krypton.
+
The existence of Kryptonite was first discovered shortly after [[Superman]]'s first public appearance in [[Metropolis]].<ref name="stas105" /> Early tests were conducted by [[LexCorp]] scientists, and further tests by Professor Hamilton, who theorized that the low-level radiation generated by the element was a result of the explosion that destroyed Krypton.
   
Fragments found on Earth varied in size from small slivers to pieces several feet across.
+
The fragments found on Earth varied in size, ranging from small slivers to pieces several feet across.
   
 
=== Effects ===
 
=== Effects ===
Kryptonite's most noteworthy effect was that it could sap the strength of super-powered Kryptonians. Prolonged exposure to its radiation could quickly lead to death.
+
Kryptonite's most noteworthy effect was sapping the strength of Kryptonians powered by a yellow sun. Prolonged exposure to its radiation could quickly lead to death. Kryptonite also left a burning sensation,<ref name="stas105" /> and it was the only known non-[[magic]]al substance that could pierce Superman's normally invulnerable skin.<ref name="jlu106">{{ep ref|jlu|106}}</ref>
   
  +
Kryptonite exerted the same malevolent effect on Argoans, offshoots of the Kryptonian species, such as [[Supergirl]].<ref name="jlu203">{{ep ref|jlu|203}}</ref> However, it was harmless to [[Bizarro]], presumably because his genetic makeup was too flawed, despite having Kryptonian DNA. He even called it "pretty" when he held it.<ref name="stas220">{{ep ref|stas|220}}</ref> Having been largely depowered by [[Skartaris]]' red sun, Supergirl still experienced great pain when exposed to [[The Great Stone]], the single biggest piece of Kryptonite known to exist, but stated if she had been fully powered, the same amount of exposure would have killed her outright.<ref name="jlu203" /> Supergirl's clone [[Galatea]] stated that she shared a weakness to Kryptonite.<ref name="jlu124">{{ep ref|jlu|124}}</ref>
Kryptonite was also painful to the touch for Kryptonians,<ref name="A Little Piece of Home" /> and it was the only known non-magical substance that could pierce Superman's normally invulnerable skin.<ref name="Fearful Symmetry">{{jlu}}, "[[Fearful Symmetry]]"</ref>
 
   
 
The radiation could also affect humans, although much longer exposure was required for them to suffer ill effects. In comparison to Superman who felt the effects almost instantly, the side effects experienced by humans could apparently vary for any number of reasons. For example, previous owners of "The [[Laughing Dragon]]" statue, carved from a large chunk of Kryptonite erroneously thought to be made of jade, all died prematurely;<ref>{{ep ref|stas|216}}</ref> [[Lex Luthor]] developed [[Kryptonite poisoning]] of the blood, essentially a form of cancer as a consequence of carrying a piece of Kryptonite around with him for years. The resulting cancer was apparently so severe that no form of treatment could be successfully provided.<ref name="jl108">{{ep ref|jl|108}}</ref>
Kryptonite exerted the same malevolent effect on Argosians, such as [[Supergirl]].<ref name="Chaos at the Earth's Core">Idem, "[[Chaos at the Earth's Core]]"</ref> However, it was harmless to [[Bizarro]], presumably because his genetic makeup was too flawed, despite having Kryptonian DNA, even calling it "pretty" when he held it.<ref name="Bizarro's World">{{stas}}, "[[Bizarro's World]]"</ref>
 
 
The radiation could also affect humans, although much longer exposure was required for them to suffer ill effects. In comparison to Superman who felt the effects almost instantly, the side effects experienced by humans could apparently for any number of reasons, vary. For example, previous owners of "The [[Laughing Dragon]]" statue, carved from Kryptonite but erroneously thought to be made of jade, all died prematurely;<ref>Idem, "[[World's Finest, Part I]]"</ref> [[Lex Luthor]] developed [[Kryptonite poisoning]] of the blood; essentially a form of cancer as a consequence of carrying a large chunk of Kryptonite around with him for years. The resulting cancer was apparently so severe that no form of treatment could be successfully provided.<ref name="Injustice For All, Part I">{{jl}}, "[[Injustice For All#Part I|Injustice For All, Part I]]"</ref>
 
   
 
Like all Earth-bound radioactive materials, Kryptonite's radiation could be blocked by lead.
 
Like all Earth-bound radioactive materials, Kryptonite's radiation could be blocked by lead.
   
 
=== Uses ===
 
=== Uses ===
Kryptonite's most frequent use was as a weapon against [[Superman]] and sometimes against other Kryptonians, such as [[Mala]].<ref name="Blasts From the Past, Part II">{{stas}}, "[[Blasts From the Past, Part II]]"</ref> It also affected beings with the ability to absorb or copy Superman's abilities, including [[Parasite]]<ref name="Feeding Time">Idem, "[[Feeding Time]]"</ref> and [[Amazo]].<ref name="Tabula Rasa, Part II">{{jl}}, "[[Tabula Rasa|Tabula Rasa, Part II]]"</ref>
+
Kryptonite's most frequent use was as a weapon against Superman and Supergirl, and sometimes against other Kryptonians, such as [[Mala]].<ref name="stas202">{{ep ref|stas|202}}</ref> It also affected beings with the ability to absorb or copy Superman's abilities, including [[Parasite]]<ref name="stas106">{{ep ref|stas|106}}</ref> and [[A.M.A.Z.O.|Amazo]].<ref name="jl204">{{ep ref|jl|204}}</ref>
   
The radiation emanated by even the smallest chunk of Kryptonite could be harnessed and used as an infinite power source. One piece was used to fuel [[Metallo]].<ref name="The Way of All Flesh">{{stas}}, "[[The Way of All Flesh]]"</ref> Another piece was used to power Lex Luthor's artificially built housing community [[Lexor City]].<ref name="Clash">{{jlu}}, "[[Clash]]"</ref>
+
The radiation emanated by even the smallest chunk of Kryptonite could be harnessed and used as an infinite power source. One piece was used to fuel [[Metallo]].<ref name="stas107">{{ep ref|stas|107}}</ref> Another piece was used to power Lex Luthor's artificially built housing community, [[Lexor City]].<ref name="jlu120">{{ep ref|jlu|120}}</ref>
   
Kryptonite could be molded into different forms to suit specific purposes. Lex Luthor incorporated Kryptonite into a missile to stop Superman's rampage across Metropolis.<ref>{{stas}}, "[[Legacy, Part I]]"</ref> He also managed to liquefy the substance to create an injection meant to kill both Superman and Supergirl.<ref>Idem, "[[Legacy, Part II]]"</ref>
+
Kryptonite could be molded into different forms to suit specific purposes. Lex Luthor incorporated Kryptonite into a missile to stop Superman's rampage across Metropolis.<ref>{{ep ref|stas|402}}</ref> He also managed to liquefy the substance to create an injection meant to kill both Superman and Supergirl.<ref>{{ep ref|stas|403}}</ref>
   
In Kara's dream, she (or [[Galatea]]) is pursued by men armed with Kryptonite laser rifles. Also, Professor Hamilton constructed a surgical robot using a Kryptonite-tipped scalpel for operating on Supergirl.<ref name="Fearful Symmetry" />
+
In Kara's dream, she (or [[Galatea]]) is pursued by men armed with Kryptonite laser rifles. Also, Professor Hamilton constructed a surgical robot using a Kryptonite-tipped scalpel for operating on Supergirl.<ref name="jlu106" />
   
Despite being generally harmful, if properly employed, Kryptonite's radiation also had benign effects, as evidenced by the use of [[The Great Stone]] among the populace of [[Skartaris]].<ref name="Chaos at the Earth's Core" />
+
Despite being generally harmful, if properly employed, Kryptonite's radiation also had benign effects, as evidenced by the use of The Great Stone among the populace of Skartaris.<ref name="jlu203" />
   
 
==== Others ====
 
==== Others ====
* [[Mr. Mxyzptlk]] transformed himself into a missile with a Kryptonite warhead, while chasing Superman.<ref>Idem, "[[Mxyzpixilated]]"</ref>
+
* [[Mr. Mxyzptlk]] transformed himself into a missile with a Kryptonite warhead, while chasing Superman.<ref>{{ep ref|stas|208}}</ref>
* [[Metamorpho]] was able to alter his chemical makeup to replicate Kryptonite's radiation.<ref>{{jl}}, "[[Metamorphosis, Part II]]"</ref>
+
* [[Metamorpho]] was able to alter his chemical makeup to replicate Kryptonite's radiation.<ref>{{ep ref|jl|123}}</ref>
   
 
=== Known Owners ===
 
=== Known Owners ===
 
Kryptonite being a very rare substance, there are only a few known pieces:
 
Kryptonite being a very rare substance, there are only a few known pieces:
* The first was discovered by Lex Luthor in the collection of his Natural History Museum; after Luthor's attempt to use it to kill Superman failed, Superman hurled it into space in a lead container. A small sliver of the rock was kept by [[S.T.A.R. Labs]].<ref name="A Little Piece of Home" />
+
* The first was discovered by Lex Luthor in the collection of his Natural History Museum; after Luthor's attempt to use it to kill Superman failed, Superman hurled it into space in a lead container. A small sliver of the rock was kept by [[S.T.A.R. Labs]].<ref name="stas105" />
* S.T.A.R. Labs also acquired a much larger piece, used to test the [[Anti-Kryptonite suit]] Hamilton built for Superman.<ref name="Feeding Time">{{stas}}, "[[Feeding Time]]"</ref>
+
* S.T.A.R. Labs also acquired a much larger piece, used to test the [[Anti-Kryptonite suit]] Hamilton built for Superman.<ref name="stas106">{{ep ref|stas|106}}</ref>
* Superman used a chunk to temporarily restrain [[Mala]]. It was unknown whether this was the chunk possessed by S.T.A.R. Labs, or another one. This chunk was sent into the [[Phantom Zone]] by [[Jax-Ur]].<ref name="Blasts From the Past, Part II" />
+
* Superman used a chunk to temporarily restrain [[Mala]]. It was unknown whether this was the chunk possessed by S.T.A.R. Labs, or another one. This chunk was sent into the [[Phantom Zone]] by [[Jax-Ur]].<ref name="stas202" />
* Luthor used a chunk of Kryptonite as a infinite power source for the cyborg Metallo.<ref name="The Way of All Flesh" />
+
* Luthor used a chunk of Kryptonite as an infinite power source for the cyborg Metallo.<ref name="stas107" />
* A sizable piece fell to Earth in China and, being mistaken for jade, was carved into a statue known as "The Laughing Dragon". The statue temporarily came into possession of the [[Joker]], but was destroyed.<ref>{{stas}}, "[[World's Finest]]"</ref>
+
* A sizable piece fell to Earth in China and, being mistaken for jade, was carved into a statue known as "The Laughing Dragon". The statue temporarily came into possession of the [[Joker]], but was destroyed.<ref>{{ep ref|stas|218}}</ref>
* At some point, Luthor acquired another piece, which he carried with him for several years as protection against Superman, until he developed Kryptonite poisoning.<ref>{{jl}}, "[[Injustice For All]]"</ref>
+
* At some point, Luthor acquired another piece, which he carried with him for several years as protection against Superman, until he developed Kryptonite poisoning.<ref name="jl108"/>
* This piece of Kryptonite eventually came into the possession of [[Batman]], who took it from Luthor after he was exposed as a criminal and imprisoned.<ref name="Injustice For All, Part I" /> Batman carried it around in his utility belt as "insurance",<ref name="Tabula Rasa, Part II" /> but Amazo pulverized it by throwing it against Superman's chest. Batman eventually acquired another piece of Kryptonite that he carried around, as acknowledged by Superman.<ref name="The Doomsday Sanction">{{jlu}}, "[[The Doomsday Sanction]]"</ref>
+
* This piece of Kryptonite eventually came into the possession of [[Batman]], who took it from Luthor after he was exposed as a criminal and imprisoned.<ref name="jl108" /> Batman carried it around in his utility belt as "insurance",<ref name="jl204" /> but Amazo pulverized it by throwing it against Superman's chest. Batman eventually acquired another piece of Kryptonite that he carried around, as acknowledged by Superman.<ref name="jlu116">{{ep ref|jlu|116}}</ref>
* During the [[Thanagarian invasion]], [[Thanagarian]] soldiers used a kryptonite energy cannon to incapacitate Superman.<ref>{{jl}}, "[[Starcrossed|Starcrossed, Part I]]"</ref>
+
* During the [[Thanagarian invasion]], [[Thanagarian]] soldiers used a kryptonite energy cannon to incapacitate Superman.<ref>{{ep ref|jl|224}}</ref>
* [[Toyman]] manufactured life-sized toy soldiers with Kryptonite mixed with plastic.<ref>{{ss}}, "[[Toys in the Hood]]"</ref>
+
* [[Toyman]] manufactured life-sized toy soldiers with Kryptonite mixed with plastic.<ref>{{ep ref|ss|312}}</ref>
* Batman kept a small sliver of Kryptonite in the [[Batcave]], to guard against the probability of Superman going rogue.<ref>{{bb}}, "[[The Call, Part I]]"</ref>
+
* Batman kept a small sliver of Kryptonite in the [[Batcave]], to guard against the probability of Superman going rogue again. Safe from harm's way, it was kept in an underground vault behind the Batman Family display case. Exposing the vault merely needed a button pressed at the [[Batcomputer]], but to unlock the vault itself required his entire body, as the vault's lock included two palm scanners and a full body scanner to confirm his identity.<ref>{{ep ref|bb|307}}</ref>
* [[General Hardcastle]] owned a gun with a Kryptonite-tipped bullet.<ref name="Fearful Symmetry" />
+
* [[General Hardcastle]] owned a gun with a Kryptonite-tipped bullet.<ref name="jlu106" />
* In Luthor's hideout, one of its underground tunnels was rigged with many Kryptonite pebbles.<ref name="The Return">{{jlu}}, "[[The Return]]"</ref>
+
* In Luthor's hideout, one of its underground tunnels was rigged with many Kryptonite pebbles.<ref name="jlu108">{{ep ref|jlu|108}}</ref>
* In Skartaris, there was a giant piece of Kryptonite called The Great Stone, which was kept in a monastery and could be used to treat maladies.<ref name="Chaos at the Earth's Core" />
+
* In Skartaris, there was a giant piece of Kryptonite called The Great Stone, which was kept in a monastery and could be used to treat maladies.<ref name="jlu203" />
* During his final invasion of Earth, [[Darkseid]] carried a knife with a Kryptonite blade.<ref name="Destroyer">Idem, "[[Destroyer]]"</ref>
+
* During his final invasion of Earth, [[Darkseid]] carried a knife with a Kryptonite blade.<ref name="jlu213">{{ep ref|jlu|213}}</ref>
   
 
== Popular Culture ==
 
== Popular Culture ==
In popular culture, the word "kryptonite" was often used in the same sense as "Achilles Heel", to refer to a weakness which immediately disables a seemingly strong individual. Galatea once claimed that "Boredom is my Kryptonite... well, ''Kryptonite'' is my Kryptonite, but you know what I mean".<ref>Idem, "[[Panic in the Sky]]"</ref>
+
In popular culture, the word "kryptonite" was often used in the same sense as "Achilles Heel", to refer to a weakness which immediately disables a seemingly strong individual. Galatea once claimed that "Boredom is my Kryptonite... Okay,, actually, ''Kryptonite'' is my Kryptonite, but you know what I mean".<ref name="jlu124"/>
   
 
== Sightings and references ==
 
== Sightings and references ==
Line 99: Line 96:
 
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}}
   
== Footnotes ==
+
== References ==
  +
{{Scroll box|
 
{{Reflist|2}}
 
{{Reflist|2}}
  +
}}
 
[[Category:A to Z]]
 
[[Category:A to Z]]
 
[[Category:Definitions]]
 
[[Category:Definitions]]
[[Category:Objects]]
 
 
[[Category:Materials]]
 
[[Category:Materials]]

Revision as of 23:30, 15 January 2020

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Kryptonite

A chunk of Kryptonite.

"You mean it came from Krypton?"
"More than likely it is Krypton, or rather a small piece of it. 'Kryptonite' if you will.
"
Superman and Emil Hamilton[1]

Kryptonite was the name coined by Emil Hamilton for radioactive fragments of the destroyed planet Krypton. This substance had immediate, detrimental effects on yellow sun-powered Kryptonians and Argoans, as well as long-term effects on humans.

History

When Krypton exploded, its fragments flew into space in every direction, with several fragments following Kal-El's spacecraft to Earth.[2]

The existence of Kryptonite was first discovered shortly after Superman's first public appearance in Metropolis.[1] Early tests were conducted by LexCorp scientists, and further tests by Professor Hamilton, who theorized that the low-level radiation generated by the element was a result of the explosion that destroyed Krypton.

The fragments found on Earth varied in size, ranging from small slivers to pieces several feet across.

Effects

Kryptonite's most noteworthy effect was sapping the strength of Kryptonians powered by a yellow sun. Prolonged exposure to its radiation could quickly lead to death. Kryptonite also left a burning sensation,[1] and it was the only known non-magical substance that could pierce Superman's normally invulnerable skin.[3]

Kryptonite exerted the same malevolent effect on Argoans, offshoots of the Kryptonian species, such as Supergirl.[4] However, it was harmless to Bizarro, presumably because his genetic makeup was too flawed, despite having Kryptonian DNA. He even called it "pretty" when he held it.[5] Having been largely depowered by Skartaris' red sun, Supergirl still experienced great pain when exposed to The Great Stone, the single biggest piece of Kryptonite known to exist, but stated if she had been fully powered, the same amount of exposure would have killed her outright.[4] Supergirl's clone Galatea stated that she shared a weakness to Kryptonite.[6]

The radiation could also affect humans, although much longer exposure was required for them to suffer ill effects. In comparison to Superman who felt the effects almost instantly, the side effects experienced by humans could apparently vary for any number of reasons. For example, previous owners of "The Laughing Dragon" statue, carved from a large chunk of Kryptonite erroneously thought to be made of jade, all died prematurely;[7] Lex Luthor developed Kryptonite poisoning of the blood, essentially a form of cancer as a consequence of carrying a piece of Kryptonite around with him for years. The resulting cancer was apparently so severe that no form of treatment could be successfully provided.[8]

Like all Earth-bound radioactive materials, Kryptonite's radiation could be blocked by lead.

Uses

Kryptonite's most frequent use was as a weapon against Superman and Supergirl, and sometimes against other Kryptonians, such as Mala.[9] It also affected beings with the ability to absorb or copy Superman's abilities, including Parasite[10] and Amazo.[11]

The radiation emanated by even the smallest chunk of Kryptonite could be harnessed and used as an infinite power source. One piece was used to fuel Metallo.[12] Another piece was used to power Lex Luthor's artificially built housing community, Lexor City.[13]

Kryptonite could be molded into different forms to suit specific purposes. Lex Luthor incorporated Kryptonite into a missile to stop Superman's rampage across Metropolis.[14] He also managed to liquefy the substance to create an injection meant to kill both Superman and Supergirl.[15]

In Kara's dream, she (or Galatea) is pursued by men armed with Kryptonite laser rifles. Also, Professor Hamilton constructed a surgical robot using a Kryptonite-tipped scalpel for operating on Supergirl.[3]

Despite being generally harmful, if properly employed, Kryptonite's radiation also had benign effects, as evidenced by the use of The Great Stone among the populace of Skartaris.[4]

Others

  • Mr. Mxyzptlk transformed himself into a missile with a Kryptonite warhead, while chasing Superman.[16]
  • Metamorpho was able to alter his chemical makeup to replicate Kryptonite's radiation.[17]

Known Owners

Kryptonite being a very rare substance, there are only a few known pieces:

  • The first was discovered by Lex Luthor in the collection of his Natural History Museum; after Luthor's attempt to use it to kill Superman failed, Superman hurled it into space in a lead container. A small sliver of the rock was kept by S.T.A.R. Labs.[1]
  • S.T.A.R. Labs also acquired a much larger piece, used to test the Anti-Kryptonite suit Hamilton built for Superman.[10]
  • Superman used a chunk to temporarily restrain Mala. It was unknown whether this was the chunk possessed by S.T.A.R. Labs, or another one. This chunk was sent into the Phantom Zone by Jax-Ur.[9]
  • Luthor used a chunk of Kryptonite as an infinite power source for the cyborg Metallo.[12]
  • A sizable piece fell to Earth in China and, being mistaken for jade, was carved into a statue known as "The Laughing Dragon". The statue temporarily came into possession of the Joker, but was destroyed.[18]
  • At some point, Luthor acquired another piece, which he carried with him for several years as protection against Superman, until he developed Kryptonite poisoning.[8]
  • This piece of Kryptonite eventually came into the possession of Batman, who took it from Luthor after he was exposed as a criminal and imprisoned.[8] Batman carried it around in his utility belt as "insurance",[11] but Amazo pulverized it by throwing it against Superman's chest. Batman eventually acquired another piece of Kryptonite that he carried around, as acknowledged by Superman.[19]
  • During the Thanagarian invasion, Thanagarian soldiers used a kryptonite energy cannon to incapacitate Superman.[20]
  • Toyman manufactured life-sized toy soldiers with Kryptonite mixed with plastic.[21]
  • Batman kept a small sliver of Kryptonite in the Batcave, to guard against the probability of Superman going rogue again. Safe from harm's way, it was kept in an underground vault behind the Batman Family display case. Exposing the vault merely needed a button pressed at the Batcomputer, but to unlock the vault itself required his entire body, as the vault's lock included two palm scanners and a full body scanner to confirm his identity.[22]
  • General Hardcastle owned a gun with a Kryptonite-tipped bullet.[3]
  • In Luthor's hideout, one of its underground tunnels was rigged with many Kryptonite pebbles.[23]
  • In Skartaris, there was a giant piece of Kryptonite called The Great Stone, which was kept in a monastery and could be used to treat maladies.[4]
  • During his final invasion of Earth, Darkseid carried a knife with a Kryptonite blade.[24]

Popular Culture

In popular culture, the word "kryptonite" was often used in the same sense as "Achilles Heel", to refer to a weakness which immediately disables a seemingly strong individual. Galatea once claimed that "Boredom is my Kryptonite... Okay,, actually, Kryptonite is my Kryptonite, but you know what I mean".[6]

Sightings and references

References

  1. 1.0 1.1 1.2 1.3 Bader, Hilary J. (writer) & Tomonaga, Kazuhide (director) (September 14, 1996). "A Little Piece of Home". Superman: The Animated Series. Season 1. Episode 5 (airdate). Episode 5 (production). Kids WB!.
  2. Burnett, Alan, Dini, Paul (writers) & Riba, Dan (director) (September 6, 1996). "The Last Son of Krypton, Part I". Superman: The Animated Series. Season 1. Episode 1 (airdate). Episode 1 (production). Kids WB!.
  3. 3.0 3.1 3.2 Berkowitz, Stan (story) & Goodman, Robert (teleplay) & Riba, Dan (director) (September 4, 2004). "Fearful Symmetry". Justice League Unlimited. Season 1. Episode 6 (airdate). Episode 4 (production). Cartoon Network.
  4. 4.0 4.1 4.2 4.3 Wayne, Matt (writer) & Dos Santos, Joaquim (director) (September 24, 2005). "Chaos at the Earth's Core". Justice League Unlimited. Season 2. Episode 3 (airdate). Episode 29 (production). Cartoon Network.
  5. Goodman, Robert (writer) & Aoyama, Hiroyuki (director) (October 10, 1997). "Bizarro's World". Superman: The Animated Series. Season 2. Episode 20 (airdate). Episode 30 (production). Kids WB!.
  6. 6.0 6.1 McDuffie, Dwayne (writer) & Dos Santos, Joaquim (director) (July 9, 2005). "Panic in the Sky". Justice League Unlimited. Season 1. Episode 24 (airdate). Episode 24 (production). Cartoon Network.
  7. Burnett, Alan, Dini, Paul, Fogel, Rich (writers) & Burnett, Alan & Dini, Paul (story) & Masuda, Toshihiko (director) (October 4, 1997). "World's Finest, Part I". Superman: The Animated Series. Season 2. Episode 16 (airdate). Episode 39 (production). Kids WB!.
  8. 8.0 8.1 8.2 Berkowitz, Stan (writer) & Lukic, Butch (director) (September 6, 2002). "Injustice For All, Part I". Justice League. Season 1. Episode 18 (airdate). Episode 8 (production). Cartoon Network.
  9. 9.0 9.1 Goodman, Robert (writer) & Riba, Dan (director) (September 9, 1997). "Blasts From the Past, Part II". Superman: The Animated Series. Season 2. Episode 2 (airdate). Episode 17 (production). Kids WB!.
  10. 10.0 10.1 Goodman, Robert (writer) & Riba, Dan (director) (September 21, 1996). "Feeding Time". Superman: The Animated Series. Season 1. Episode 6 (airdate). Episode 7 (production). Kids WB!.
  11. 11.0 11.1 Berkowitz, Stan (writer) & Riba, Dan (director) (October 4, 2003). "Tabula Rasa, Part II". Justice League. Season 2. Episode 4 (airdate). Episode 30 (production). Cartoon Network.
  12. 12.0 12.1 Berkowitz, Stan (writer) & Hachizaki, Kenji (director) (September 28, 1996). "The Way of All Flesh". Superman: The Animated Series. Season 1. Episode 7 (airdate). Episode 6 (production). Kids WB!.
  13. McDuffie, Dwayne (story) & DeMatteis, J.M. (teleplay) & Riba, Dan (director) (June 11, 2005). "Clash". Justice League Unlimited. Season 1. Episode 20 (airdate). Episode 20 (production). Cartoon Network.
  14. Fogel, Rich (writer) & Geda, Curt (director) (February 5, 2000). "Legacy, Part I". Superman: The Animated Series. Season 4. Episode 2 (airdate). Episode 49 (production). Kids WB!.
  15. Dini, Paul, Fogel, Rich (writers) & Riba, Dan (director)). (February 12, 2000). "Legacy, Part II". Superman: The Animated Series. Season 4. Episode 3 (airdate). Episode 50 (production). Kids WB!.
  16. Dini, Paul (writer) & Riba, Dan (director) (September 20, 1997). "Mxyzpixilated". Superman: The Animated Series. Season 2. Episode 8 (airdate). Episode 21 (production). Kids WB!.
  17. Uhley, Len (story) & McDuffie, Dwayne (teleplay) & Riba, Dan (director) (October 11, 2002). "Metamorphosis, Part II". Justice League. Season 1. Episode 23 (airdate). Episode 23 (production). Cartoon Network.
  18. Berkowitz, Stan (writer) & Burnett, Alan, Dini, Paul (story) & Masuda, Toshihiko (director) (October 4, 1997). "World's Finest, Part III". Superman: The Animated Series. Season 2. Episode 18 (airdate). Episode 41 (production). Kids WB!.
  19. McDuffie, Dwayne (story) & Goodman, Robert (teleplay) & Riba, Dan (director) (February 19, 2005). "The Doomsday Sanction". Justice League Unlimited. Season 1. Episode 16 (airdate). Episode 16 (production). Cartoon Network.
  20. Fogel, Rich (writer) & Lukic, Butch (director) (May 29, 2004). "Starcrossed, Part I". Justice League. Season 2. Episode 24 (airdate). Episode 50 (production). Cartoon Network.
  21. Ridley, John (writer) & Altbacker, Ernie, Semper Jr., John, (story) & Uncredited director (May 3, 2003). "Toys in the Hood". Static Shock. Season 3. Episode 12 (airdate). Episode 37 (production). Kids WB!.
  22. Dini, Paul, Burnett, Alan (story) & Berkowitz, Stan (teleplay) & Lukic, Butch (director) (November 11, 2000). "The Call, Part I". Batman Beyond. Season 3. Episode 7 (airdate). Episode 50 (production). Kids WB!.
  23. Berkowitz, Stan (story) & DeMatteis, J.M. (teleplay) & Dos Santos, Joaquim (director) (September 18, 2004). "The Return". Justice League Unlimited. Season 1. Episode 8 (airdate). Episode 7 (production). Cartoon Network.
  24. McDuffie, Dwayne (writer) & Dos Santos, Joaquim (director) (May 13, 2006). "Destroyer". Justice League Unlimited. Season 2. Episode 13 (airdate). Episode 39 (production). Cartoon Network.