Visible crew/equipment: Season 3, "Birthday Cake": When Littlejohn goes into the river, you can see the reflection of the entire camera crew.
Visible crew/equipment: A film crew member wearing a white shirt is briefly visible when The Squad fires at the barn.
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.
Lost Sheep, Lost Shepherd - S1-E3
Visible crew/equipment: After they climb onto the tank and as it begins to move, on the left of the screen and behind the branches you can spot somebody walking toward the tank and then quickly backpedaling. (00:10:25)
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)
Visible crew/equipment: Season 3, "A Rare Vintage": In the scene inside the winery, a cameraman's shadow intrudes at the left of the shot.