Visible crew/equipment: When the guys are in Mike's office talking about George, Nicki walks in and figures out what they're up to. After Carter tells her, the shot changes to show all of the other guys trying to look inconspicuous, and a boom mic can be seen at the top-left corner of the screen.
Spin City (1996)
1 visible crew/equipment mistake in Bone Free
Starring: Charlie Sheen, Michael J. Fox, Heather Locklear, Barry Bostwick, Richard Kind, Alan Ruck, Michael Boatman
Genres: Comedy
Not in the Line of Fire - S3-E15
Revealing mistake: Two thirds of the way into the show, Mike and the mayor are talking in his office. If you look at the Mets hat behind Mike, the NY emblem is upside down.
Charlie: Paul someone wants you outside.
Paul: Who?
Charlie: Everyone in here.
Trivia: Mike references Marty McFly's Johnny B Goode performance in Back to the Future. When Paul asks about "2:15, " Mike responds that it's his favorite verse in the Book of John: Be good, John. Johnny be good. Go, Johnny, go. Amen. (00:03:20)