Other mistake: Croc's feet are briefly a shade of pink after his sewer fight with Bane.
Other mistake: When Alfred serves Bruce coffee at the end, there's no steam coming from the coffee pot or Bruce's mug when Alfred pours the coffee into mug.
Batman: The Animated Series (1992)
2 other mistakes in season 3 - chronological order
Starring: Mark Hamill, Kevin Conroy, Efrem Zimbalist Jr., Loren Lester, Bob Hastings
Genres: Action, Animated, Crime, Drama, Family, Fantasy, Mystery
Factual error: Batman is in Japan and tracks down Kyodai Ken by using Caller ID, which returns a seven-digit "555" number. Telephone numbers in Japan have 8 digits.
Rupert Thorne: All men have something to hide. The brighter the picture, the darker the negative.
More trivia for Batman: The Animated Series
Question: When does Poison Ivy make her escape? Before Batman comes back to her house or during his and Robin's battle with her plant creatures?
Answer: She escaped off-screen and created a copy of herself to fool everyone.