Audio problem: When the 1st WSP Commander is speaking in Washington D.C. he is voiced by Don Mason, but when he speaks to Commander Shore at W.A.S.P., he has a completely different voice provided by Ray Barrett.
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.
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.
The Accident - S1-E1
Audio problem: After school when Alex and Ray are walking the camera is far away but you can see that the sound of the person that is talking is different than who is seen talking.
Coup DeVille - S1-E1
Audio problem: When Phil is shaking his leg with Lil, his grunting is out of sync with his lips.
Santa's Little Helper - S1-E10
Audio problem: When Amy is playing the piano with Morgan, the last few notes that they play while the camera is focused on them are out of sync. (00:19:50)
The Addams Family Meets the Undercover Man - S1-E16
Audio problem: Ted Cassidy (Lurch) was an accomplished organist. However, when he "played" the Harpsichord, he was only miming the actions. When Lurch is playing while Gomez and Morticia are fencing the music doesn't match the movements of his hands.
Audio problem: In the park where Bobby is face to face with Chickiebutt and his Acme Mega-Beak, Bobby says, "He's wearing the Acme Mega-Beak over here" but his mouth makes no movement as he talks.
Audio problem: When Brian escapes his room and the headmaster with security is checking the rooms, if you look very carefully while the camera is going to Brian's room, you can see the headmaster hitting the door with his hand out, but the sound sounds like it would if he were hitting it with his fist.
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.
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)
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.
Arthur, the Invisible Bear - S2-E4
Audio problem: When the station wagon pulls into the mountain clearing there is no movement with the trees indicating they are on a sound studio, as some of the dialogue is acoustic. (00:24:00 - 00:24:30)
Audio problem: During the opening credits, the sound effect of the ringing telephone continues to play after Donna Reed has picked up the receiver and is talking on the phone. (00:00:03 - 00:00:30)
The Alien Costume: Part 1 - S1-E8
Audio problem: When John Jameson is inside the crater, his mouth is not moving for any of his dialogue. He's communicating with the other astronaut, so it can't be an inner monologue. (00:01:05)
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.
The Crab with the Golden Claws: Part 1 - S1-E1
Audio problem: When Tintin says "Thanks detectives" his mouth doesn't move. (00:09:00)
The Great Voice Robbery - S1-E3
Audio problem: Several times throughout the episode while the characters are speaking in other people's voices the spoken words don't match the lip movements.
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.
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.