Continuity mistake: On season 4, Episode 12, "The Casket", Saunders steals 1 of 2 gas cans, mounted on brackets, from the side of a German truck. In later scenes, the remaining gas can and the brackets are gone.
Continuity mistake: Season 4, "Hills Are For Heroes, Pt. 2": Caje is standing outside the bunker when Hanley goes in. Cut to an interior shot as Hanley enters, and Caje, outside in the last shot, is now inside.
Actor Vic Morrow used a non-firing wooden replica of a Tompson submachine gun due to its lighter weight, thus being easier to carry. He used a heavier blank-firing model when it was required to be fired.