Continuity mistake: During the scene with the family in the living room and Claudia and Lily are sitting on the covered couch, the sheet falls off the top of the couch. In subsequent shots the sheet falls off and goes back on the top through the whole scene.
Continuity mistake: Towards the end of the episode, Phil walks out the bathroom in a homemade turban, imitating Chuckie's role of "Chongo" Nicole's hair has turned black at this part, in place of it's usual brown.
Continuity mistake: Between the pilot episode and "The Terror" (which was never shown on TV), the costumes of Batmanuel and Captain Liberty change substantially even though there is no more than an hour between the events of the episodes.
Heads Of Beef / Klub Katz - S1-E11
Continuity mistake: In "Klub Katz" Courage spins his head once or twice. But when he puts his head back on it spins way over once or twice. (Like a thousand)
Fastest Criminal in Reno - S3-E5
Continuity mistake: When Fast Eddie jumps over the road block and comes crashing down you can see from the severity of the landing that the front left side of the vehicle is seriously damaged as is probably the rest of the front of the vehicle. However when the camera shows the shock on the Officers faces of what's taken place and then pans back as Fast Eddie drives away, his car shows no damage whatsoever.
Continuity mistake: The amount of blood on Allison blouse decreases after Vanya cuts her throat.
Continuity mistake: In the second episode Sabrina says the grocery store got bought and it was called "Howdy's" now or something like that (the uniform used to be red and then it was blue with those neck ties). In the episode where Burt, Jimmy and Virginia get kicked out, they visit the grocery store to steal food and they're wearing the blue uniform (as Howdy's grocery store) but it was way before Jimmy had Hope, and Hope was with him when the outfits were red.
Continuity mistake: In the opening credits where Bob is on the 'el' platform, the train car he is sitting in is different from the one he enters in the scene before. The car he is shown entering is an older car with small windows and the car he is sitting in is a newer model with much larger windows.
Continuity mistake: Fluttershy's neck disappears after she says, "I don't know if I can cheer enough to help her".
Big Report - S1-E2
Continuity mistake: Connor (is this cool?) Hammil's shirt is unbuttoned, then buttoned between shots (just as he pushes the woman's head through a pane of glass).
Continuity mistake: In the episode where they are on strike, Oswald says he gets a job with Global Postal due to the Christmas season rush, but, he was already working for Global Postal in the previous episode.
Continuity mistake: In the scene where Maria talks about wanting to throw the vase to the floor, the vase changes between shots. When she eventually throws it to the floor it's the original vase. This was most likely done due to a retake that had to be shot after the original vase was thrown to the floor and destroyed.
Continuity mistake: A Handful of Dust: The amount of cereal Ben has in his bowl changes between shots.
Visit to a Hostile Planet - S3-E2
Continuity mistake: When the guy shoots the Robinson Robot it leaves a big bullet hole on the front. In the next shot we see the Robinson Robot turning around and the bullet hole is gone.
Unicorn Club/Go Gomez! Go! - S1-E2
Continuity mistake: When the cats are entering the race the height of the sign lowers when Waffle walks up.
Continuity mistake: Bob Fossil records Howard saying "Gorilla" on his talk box, which Howard does with a downward inflection at the end of the word. However, every time Fossil plays back Howard's "Gorilla", it has an upwards inflection at the end of the word.
Continuity mistake: The broken glass on Nathan's face and arms disappears when he is pouring out the rice, but reappears when he is yelling into the PA system.
Continuity mistake: In the episode called "Mek Pek", when Casper and Niels are standing in front of the couch at Jump-Start, Casper is having his right hand in his back pocket, then the angle change, and suddenly his hand is in his right pocket.
Continuity mistake: Just after Otis makes the ghost sounds from inside the house, it shows the gang standing together outside the house. Otis is with them outside, which is impossible, as he is inside the house pretending to be the ghost.
Continuity mistake: When Jimmy is in his lab, in the shot where the camera zooms into his eye, in the shot just before that shot, notice the digital clock on Jimmy's counter. The seconds part jumps from the 30's to the 40's twice in two different shots.