
Killerball - S3-E18
Continuity mistake: When Randy laughs frantically after the Hensons told him they have been abused by a Dobermann, he's near a billiards table where there are two balls. At the end of the scene another ball appears on the table from nowhere.

Continuity mistake: When Carl is staying with the son Earl in his motel room after he separated from his wife and starts going back and forth for the room, there are two socks on the floor by the bed, one of which changes position in another shot.
Answer: Sounds like s04e11, "Nature's Game Show."
Bishop73