The Funny Feline Felonies (1) - S3-E16
Continuity mistake: When Catwoman shoots the bullet into Commissioner Gordon's office, about a quarter-inch of the bullet remains exposed. However, when Batman goes to pull it from the wall, about four times as much of the bullet is now exposed.
Answer: There wasn't one singular city used. It was shot in and around various locations in California, plus on a lot of sets and backlots. Ex. Some scenes were shot in LA, some in Pasadena, some in Santa Barbara, etc.
TedStixon