Factual error: Howard and Emmett travel to New York City to take part in a televised panel discussion on the merits of city life versus small-town life. The station is "KZOK Channel 12." All television stations east of the Mississippi River begin with the letter W, not K.
Mayberry R.F.D. (1968)
1 factual error in The Panel Show - 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.