Revealing mistake: When Cissy is at the piano as Buffy sings and dances for Uncle Bill, only her arms move up and down instead of across the keys, indicating that's it's an off-camera person actually playing the tune. (00:16:30)
The Day Nothing Happened - S2-E20
Revealing mistake: The snowman is an obvious Styrofoam props the kids have set up in the family room, as the fake snowflakes fly right off it during the kids play, including the white patches beneath the body.
Revealing mistake: Obvious studio setting with the fake overlapping grass in the park while Cissy and the boyfriend talk. (00:18:30)
Suggested correction: In which episode does this occur?