Stonegate Penitentiary was a prison in Gotham City.
- Carlton Duquesne
- Clock King
- Josiah Wormwood
- Killer Croc
- Poison Ivy
- The Penguin
- Rupert Thorne
- Sidney Debris
- Southside Eddie
- Spider Conway
- The Terrible Trio
- Tony Zucco
- ↑ Graham, Sam, Hubbell, Chris (writers) & Paur, Frank (director) (September 30, 1992). "I've Got Batman in My Basement". Batman: The Animated Series. Season 1. Episode 20 (airdate). Episode 13 (production). FOX Kids.
- ↑ Dini, Paul, Reaves, Michael (story) & Ruegger, Tom (teleplay) & Kirkland, Boyd (director) (September 14, 1992). "Pretty Poison". Batman: The Animated Series. Season 1. Episode 9 (airdate). Episode 5 (production). FOX Kids.
- ↑ In "Bane", Batman visits Croc in Stonegate to inquire about his attacker. In "Love is a Croc", he is determined competent to stand trial and is sentenced to Stonegate. Later in that episode however, Baby-Doll meets him in Arkham. This is most likely a production inconsistency.
- ↑ Only after her first capture; sent to Arkham Asylum following subsequent captures.
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