Continuity: Near the end of "Camera Shy," when Heffer gets the check out of the envelope, it's light blue. But when the shot changes it suddenly becomes black like the "censor bars" sticking on him and Filburt, so they obviously accidentaly used the wrong color.
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Mistakes
Rocko is cleaning the fridge and he smells rotten sausage links so he throws them out in the trash can. The next shot of the trash can, the sausage links magically disappear. See more...
Rocko's Modern Life mistakes
Continuity: Rocko is cleaning the fridge and he smells rotten sausage links so he throws them out in the trash can. The next shot of the trash can, the sausage links magically disappear.
Continuity: 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".