Leap Frogs / Bedfellows - S1-E2
Continuity mistake: Leap Frogs: When Rocko is on the stool trying to screw in the light bulb, Bev walks up to him and screws it in, powering it on. In the next shot, the light bulb is suddenly off again. (00:05:47)
Rocko's Happy Sack / Flu-In-U-Enza - S1-E11
Continuity mistake: Rocko's Happy Sack: Rocko scans all of his groceries in the checkout lane. Then, when Filbert tells Rocko that his total is $150, the groceries have disappeared from the counter. They reappear when Rocko finishes shouting at Filbert, then disappear again in the next shot. (00:11:09)
Rocko's Happy Sack / Flu-In-U-Enza - S1-E11
Other mistake: Rocko's Happy Sack: When Rocko is shouting at Filbert in the checkout lane, as he says the line, "Beaten by a very large woman," we can see that his body is in front of the counter when it is supposed to be behind the counter. Part of his tail also turns blue for one frame. (00:10:54)
A Sucker For the Suck-O-Matic / Canned - S1-E8
Other mistake: A Sucker for the Suck-O-Matic: The Suck-O-Matic sucks in gunk from Rocko, Heffer, and Spunky's mouths and starts choking up. Then, when the Suck-O-Matic falls to the ground and passes out, the shadow of its head disappears mid-shot. (00:11:16)
Carnival Knowledge / Sand In Your Navel - S1-E9
Other mistake: [The episode will soon change to "Show Generally"] 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)