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 Jonny and Hadji are in the boat waiting for Race' return, Bandit starts growling and barking, but Bandit is not grimacing or moving his mouth as he growls and barks.
Herman, the Master Spy - S2-E2
Audio problem: Eddie urges Grandpa to get going, when he replies, his mouth doesn't match the words.
Audio problem: The WSP Commander has another different voice in this episode - this time he is voiced by David Graham.
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.