Batman: The Animated Series (1992)

Day of the Samurai - S1-E55

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.

Captain Defenestrator

Two-Face (1) - S1-E17

Rupert Thorne: All men have something to hide. The brighter the picture, the darker the negative.

Phaneron ★

Trivia: The series was animated on darker (typically black) paper as opposed to standard white paper. This helped aid in the show's aesthetic, and also helped save time when animating nighttime sequences, since they wouldn't have to paint the entire background black.

TedStixon

Heart of Ice - S1-E3

Question: How did they make the sound for Mr Freeze's cold gun?

Rob245