Leap Frogs / Bedfellows - S1-E2
Continuity mistake: In "Bedfellows", when Heffer goes to bed he is only wearing his underwear. However, in one close-up shot during the sequence where Rocko tries to stop his loud snoring, specifically the portion where he uses a cattle prod, one of the purple straps of Heffer's overalls is over his shoulder.
The Good, the Bad, and the Wallaby / Trash-O-Madness - S1-E6
Continuity mistake: 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.
The Good, the Bad, and the Wallaby / Trash-O-Madness - S1-E6
Continuity mistake: In "Trash-O-Madness," Rocko gets beaten up by the Trash dog. When Rocko goes back in his house, facing the screen his tail is fine, but in the next shot there is a huge bite mark in it. Then when he is in the kitchen, in the next shot, the bite mark disappears.
A Sucker For the Suck-O-Matic / Canned - S1-E8
Continuity mistake: In "Sucker for the Suck-o-matic," the TV opens up Rocko and Heffer's heads to scrub a weird product on their heads to make them buy the Suck-o-matic. The TV leaves their heads open when taking their brains out to dribble. In the next shot the heads are closed while the TV dribbles the brains. Then in the next shot, their heads are back open while the TV puts them back.
Carnival Knowledge / Sand In Your Navel - S1-E9
Continuity mistake: The sign that the slug is hammering into the ground near the big roller coaster changes fonts three times.
Continuity mistake: Ralph's hair color changes from yellow on the tile card to purple in the episode.
Continuity mistake: Near the end when Ralph is at the Bigheads' 30th anniversary, Ralph slams half of the donut on the table near Ed. Then Ed pulls out his half of the donut and Ralph comes over and somehow has the other half without picking it up off the table.
Hair Licked / Gutter Balls - S2-E10
Continuity mistake: Mr. Bighead dresses like Bev to play the rest of the game with lipstick on. Towards the end of the episode Rocko thanks him for inviting him to play. When it cuts to the next shot, the lipstick disappears from Mr. Bighead's face.
Fish-N-Chumps / Camera Shy - S3-E4
Continuity mistake: 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.
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)
