Star Trek: The Next Generation (1987) - 5 mistakes in "The Naked Now"
starring Brent Spiner, Denise Crosby, Gates McFadden, Jonathan Frakes, LeVar Burton, Marina Sirtis, Michael Dorn, Patrick Stewart, Wil Wheaton
The Naked Now (series 1)
Revealing: When Data sits in his post, his neck pips are black and then gold. In the next jump scene when he is in the back of the bridge with his commanders, the pips are reversed. Submitted by Joseph Z