Starring: Tom Kenny, Carlos Alazraqui, Charles Adler, Charlie Adler, Mr. Lawrence
Keeping Up With the Bigheads / Skid Marks - S1-E4
Continuity mistake: Rocko and Heffer are watching TV with Spunky. Mr. Bighead comes over and loudly bangs on the door. Rocko opens the door and the couch where they were all sitting is empty. No Heffer or Spunky.
Gladys the Big Hippo Lady: How dare you.
The Big Question / The Big Answer - S3-E11
Trivia: At one point in this episode, Hefer says "please put me down Mr. Crabs." Most of the crew from this show went on to make SpongeBob SquarePants a few years after Rocko ended, which has a character named Mr. Crabs.