Our Vines Have Tender Apes - S3-E20
Audio problem: Towards the end of the episode, the castaways read Tongo's note that he can't take them back with him due to how he behaved with the gorilla. Mr. Howell yells "we won't tell anyone!" followed by other random comments from the others for Tongo to come back. Tongo leaves and as the camera pulls away from the castaways, the same audio repeats itself even though this time doesn't match what anyone is saying.
Audio problem: As John and Gordon are fitting the new component on Thunderbird 5, John says, "It looks like we'll be another two hours before we're back in business. In the meantime, International Rescue is non-operational." But he is voiced by David Graham, not Ray Barrett.
I, Darrin, Take This Witch, Samantha - S1-E1
Audio problem: When Samantha and Darrin are at his ex-girlfriend's house for dinner, Samantha is doing all kinds of things to sabotage the dinner, even making a gust of wind come through the front door thus blowing the ex's wig off. The ex girlfriend is screaming but the screams don't match up to what her mouth is doing.
The Summit-Five Affair - S4-E1
Audio problem: When Helga tries to slam the door and shouts, "Get away from me," her lips aren't moving at all. (00:29:25)
Audio problem: When Trina tells Race and Dr. Quest her husband is to be a gift to the Po-Ho god "Ranio", Quest's mouth says "Ranio?" but with Race's voice.
The Addams Family Tree - S1-E5
Audio problem: With Morticia in his arms, he says "And I dropped you...only once." If you watch his profile, you can see that his face never moves. Hard to believe especially when you know he had an animated face.
Audio problem: The WSP Commander has another different voice in this episode - this time he is voiced by David Graham.
Audio problem: As everybody goes to get in the new car, you hear the horn honk twice. Trouble is, Grandpa wasn't holding the horn bulb.