Other mistake: Arnold limps in to buy a ballgame ticket but in every scene after he's fine.
Mayberry R.F.D. (1968)
1 other mistake in Mike's Losing Streak - chronological order
Starring: Ken Berry, George Lindsey, Jack Dodson, Paul Hartman
Aunt Bee's Cruise: Part 1 - S1-E15
Revealing mistake: Aunt Bee is traveling on a cruise ship. The "water" in the background is a painted backdrop which is made all the more obvious by the painted whitecaps.