The Creepy Heap from the Deep - S2-E8
Audio problem: When speaking about the hidden beauty parlor in the submarine Velma's voice comes from Daphne's mouth briefly.
Guilmon Comes Alive - Part 1 - S3-E1
Audio problem: When Jeri starts miming with her sock puppet, it is sometimes out of sync with her voice. It is most noticeable in the part where Takato has detention.
Coup DeVille - S1-E1
Audio problem: When Phil is shaking his leg with Lil, his grunting is out of sync with his lips.
The Scary Sky Skeleton - S1-E6
Audio problem: During the gang's ride on a bumpy road Fred warns Shaggy, Scooby, and Scrappy about some more bumps coming up. He's interrupted when they hit the bumps, then the word "bumps" comes out of Scooby's mouth.
Doug Takes the Case / Doug's Secret Song - S2-E1
Audio problem: Around 3 and a half minutes into the episode, Doug, as the Chameleon, says he has a good idea as to who would've taken BeeBe's radio. The end of this sentence is very unnaturally pitched up.
Audio problem: When Rupert Thorne is saying "That file is here all right," his mouth is closed for the first four words. (00:18:10)
Audio problem: When the wizard says "Bob-ombs", he says it twice so where he says it before the bomb appears and after. But the second time he says it, his mouth doesn't move at all. It just stays open as a smile.
Failure Is Not a Factory-installed Option - S2-E3
Audio problem: Stan looks out the window whilst being suspended from work. As he looks he sees two people exiting their homes and they both say "Bye buddy" and "See ya pal." Their mouths don't move.
Silence My Companion, My Death Destination - S1-E4
Audio problem: When Mandarin is saying "Iron Man is doomed," his mouth is not in sync with the dialogue. (00:07:31)
Audio problem: When Trent is playing the guitar for Daria outside, he plays a "G" chord several times. Right after telling her it's a "G" chord, he plays it again, then switches his hand on the strings to a completely different area and strums (which should play a whole different sounding chord), but we still hear the same "G" as if he didn't move his hand on the strings at all.
Yugi vs. Pegasus: Match of the Millennium - Part 3 - S1-E37
Audio problem: When Bakura tells Tristan to hand over Mokuba or else he'll suffer the same fate as the guards, he starts doing an evil chuckle, but his mouth is open and it doesn't move. (00:17:30)
Neogenic Nightmare Chapter 4: The Mutant Agenda - S2-E4
Audio problem: When Spider-Man is saying to Beast "I'm not sure I still am," Beast is the one mouthing the last three words in the line. (00:09:25)
The Secret of the Unicorn: Part 1 - S1-E3
Audio problem: When Captain Haddock's neighbour says "Is everything all right?" her mouth is wide open but doesn't move. (00:10:55)
Audio problem: In the final scene when Cleveland says to Terry "I'm gonna get paid and you're gonna get laid", they both start cheering. But when it comes to the wide shot, Terry is still cheering but his mouth isn't moving. (00:19:55)
Audio problem: When Judy asks "But Grandpa, why didn't you tell us what was going on?" towards the end of the episode, she is speaking with Jane's voice.
Audio problem: When Spook speaks to Top Cat before he takes the chocolate pudding to the captain, he is speaking with John Stephenson's voice. It seems Leo DeLyon was not available as John is trying to sound like Spook.
Audio problem: In "The Robot", Gumball whimpers while his mouth is open. He whimpers again, and this whimper sounds like the first one, except his mouth is closed.