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 - chronological order
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: When James points out to Carter that Rags is eating his sleeping pills, it's painfully obvious that they are actually dog biscuits. (00:06:15)
James: Stewart, I don't feel well. Knowing about Mike's mom and the Mayor is killing me.
Stuart: James, secrets are power. You get something good like this, you sit on it. Right now, you leak it, it's just office gossip that makes everyone uncomfortable, but, in 20 years when Mike's running for President, this little gem gets me an ambassadorship to Sweden.
James: What do I get?
Stuart: Topless postcard from Sweden.
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)