Other mistake: In the show's introduction, the giant clock comes and smashes a baseball cap on Rocko, growing him up. Then, when the giant blue hand picks him up, the baseball cap disappears mid-shot, with no explanation. (00:00:15)
Rocko's Modern Life (1993)
1 other mistake in show generally
Starring: Tom Kenny, Carlos Alazraqui, Charles Adler, Charlie Adler, Mr. Lawrence
Fortune Cookie / Dear John - S3-E8
Continuity mistake: When Filburt first reads his fortune cookie, it says "Bad luck and misfortune will infest your pathetic soul for all eternity". But later on when he is walking down the street it says "Bad luck and extreme misfortune will infest your pathetic soul for all eternity". (00:03:25 - 00:04:25)
Gladys the Big Hippo Lady: How dare you.
Zanzibar! / Fatal Contraption - S3-E13
Trivia: During the spring cleaning music number, there is an older goat who pulls a rat out of a couch, wondering where it came from. At the bottom of the frame is a dead mouse in a mouse trap. It's Mickey Mouse.