Continuity mistake: When the Warners begin to sort out Mr. Dan Anchorman's lunch, Yakko's hands jump inside of the picnic basket between frames.
Continuity mistake: While watching Mr. Dan Anchorman on a control room monitor, Dot's hands jump to a different location as soon as the shot changes. At first she has both hands resting on the control board, then her chin.
Continuity mistake: When Gina Embryo tries distracting the bull from Flavio and Marita, it charges toward her. She leaves the matador's red cape behind on the cobblestone road, but a moment later she's holding it again.
Useless Fact #3 - Shrimp - S1-E212
Continuity mistake: After Yakko talks to the shrimp, his scuba tank mouthpiece jumps from his left hand to his mouth between cuts.
Continuity mistake: After Rita escapes from the controlled research environment, Kiki grabs onto a window's innermost steel bars. But when the shot changes, Kiki holds the outermost bars instead.
Continuity mistake: When Kiki is trying to feed Rita the chewed leaves, she restrains Rita using her foot. A moment later, Kiki repeats the same action.
Continuity mistake: When the Warners are giving the Queen a psychiatric examination, Dot and Wakko exchange places between shots.
Continuity mistake: After Dot is hired by the Queen to help restore Windsor Castle's banquet room, the red carpet beneath her vanishes between shots.
Continuity mistake: When the mobsters re-enter Puzzo's Ristorante to see the Warners playing maracas and bongo drums, the front door opens on its own between cuts.
Continuity mistake: Towards the end after Dr. Scratchansniff backs his car out into the road, Yakko tells him about next weekend's date. Then, in between shots, the car parks itself on the sidewalk.
Continuity mistake: When Dr. Scratchansniff storms out from his car and starts bickering with the jockey in a pink convertible nearby, the white painted lines leading up to the Snackaterium space themselves out considerably after a couple of shots.
Of Course You Know, This Means Warners - S1-E269
Continuity mistake: When J. Edgar Hoover pulls up to collect the drum of scrap nylon, Yakko and Dot swap places between shots.
Star Truck - S3-E31
Continuity mistake: After the Enterprise smashes Korn's ship with a mallet, we see Yakko at rest in Captain Kork's chair. A moment before he stands up, Yakko's left elbow places itself on the armrest between frames. And, between the following pair of shots, Dot jumps several feet behind Wakko when Yakko says, "Promise not to sue us."
Star Truck - S3-E31
Continuity mistake: During the sick bay scene, right as the Enterprise starts getting blasted by Korn's ship, Dr. McBones' tunic changes color from blue to gold.
Continuity mistake: During Yakko's song, an eraser keeps appearing and disappearing from the chalk tray beneath the Multiplication problem.
Continuity mistake: When Yakko is multiplying 47 by 83, he walks away from the chalkboard and continues to sing. But one shot before he finishes solving the problem, the answer appears on the board.
Factual error: Ben Franklin's "electricity kite" experiment and the Declaration of Independence happened 24 years apart, not at the same time.
Continuity mistake: During the picnic scene, Ms. Flundergust grabs a sandwich from her basket but the lid closes on its own between shots.
Continuity mistake: When Ms. Flundergust is introduced to the Warners, she mispronounces Dot's name. Dot has both hands behind her back, but they jump in front of her between shots. Then within the next change of shots, both of Yakko's hands jump behind his back.
Continuity mistake: When the Warners and network censors are in the lab for a demonstration of cartoon violence and its effects on a younger viewing audience, the painted 'L' on one of the lab's doors turns backwards, but several shots later it returns to normal.