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)
Family Affair (1966)
1 mistake in Arthur, the Invisible Bear
Starring: Brian Keith, Anissa Jones, Johnny Whitaker, Kathy Garver
Trivia: In the season 5 episode "It Can't Be Five Years?" the woman playing Uncle Bill's secretary is Sebastian Cabot's daughter Annette.