What Are the Bugles Blowin' For? (1) - S2-E25
Visible crew/equipment: When the British captain orders Saunders to stay with him and walks back to his office, you can spot film crew in the glass reflection. (00:20:45)
Combat! (1962)
1 visible crew/equipment mistake in season 2 - chronological order
Starring: Vic Morrow, Jack Hogan, Pierre Jalbert, Rick Jason
Revealing mistake: Season 3, Episode 68, "The Duel": The prop wash from the helicopter filming the overhead scenes are evident as everything (dust, twigs, leaves, etc.) is being blown around.
Braddock: Don't just stand there sucking on a prune pit, get these men some water.
Mountain Man - S3-E1
Trivia: Pierre Jalbert (Caje) was actually an accomplished professional skier before his role in Combat. All of the sking scenes with Caje was actually Pierre Jalbert doing the skiing.