Continuity mistake: In the pilot episode, at the end of the car chase, officer Tom Hanson's weapon changes from a Police Special (.38 or .45) to a .357 Magnum.
21 Jump Street (1987)
1 continuity mistake in show generally
Starring: Johnny Depp, Steven Williams, Holly Robinson Peete, Peter DeLuise
Visible crew/equipment: In "Don't Pet the Teacher", when Jeffrey Stone talks to Albert the janitor, a boom mic briefly dips into the shot over Jeffrey's head. (00:06:10)
Off. Tom Hanson #2: Without Jenko we're gonna be Charlie's Angels.