Visible crew/equipment: When the prisoners are looking for the dirt from the tunnel they discover it is in the attic. While they are removing a board from the ceiling they reveal an overhead stage light. You can tell this is a mistake because they hurriedly put the board back.
Continuity mistake: The war correspondent causes a disturbance. By the time the German guards enter the room, Saunders has the correspondent subdued with a knife he found. Each time the camera does a closeup of the knife Saunders is holding it in a different position. (00:36:10)
Continuity mistake: When The Squad crosses the river the footage is cut footage from a previous episode, "Birthday Cake" - Littlejohn is holding his cake over his head. (00:05:15)