Character mistake: When Sue and her opponent switch sides right before her opponent smashes her racket, the score in games is 5-1. In tennis, you only switch sides when the sum of games is an odd number (4-3, 5-2, 1-0) for example.
The Middle (2009)
1 character mistake in season 4
Starring: Neil Flynn, Patricia Heaton, Charlie McDermott, Eden Sher
Genres: Comedy
Continuity mistake: Axl and his friend chase Darren out of the house and into the snow, churning a path in the snow. However, in the overhead shots of all three boys, the churned snow path is not there, just undisturbed snow.
Operation Infiltration - S6-E18
Trivia: At Axl's party, he shakes the hand of Barry Goldberg from The Goldbergs, another ABC TV show.