Visible crew/equipment: Back and Forth: When Blackadder first goes into the time machine to get the items from Baldrick, and the door goes up, you can see a crew member pushing the door closed, wearing a red shirt. (00:05:45)
Visible crew/equipment: During the Battle of Bull Run, just before the first shell is fired towards the plantation house, at the upper part of the screen you can see a helicopter flying over the battle action. (01:45:00)
The Patrol - S1-E8
Visible crew/equipment: When The Patrol is on its way, one of the boats tilts over and some soldiers are screaming they can't swim. At some point during that scene there is a wide shot with in the background the other side and a skylight. Right in the middle of that shot on the other side you can see a man walking away wearing a orange vest or jacket of some sorts. Might be the pyro-guy. (00:33:15)
Visible crew/equipment: During the Battle of Orleans, two crew members and a camera appear on the right side of the screen, for about 5 seconds, one of them wearing a cap.
Visible crew/equipment: As the steam train is pulling away in reverse with Peel and Albert on board, a bald crew member can be seen crouching in one of the carriages.
Episode #1.9 - S1-E9
Visible crew/equipment: When Ae-sin is speaking to Eugene in his office and she is sitting at his desk, right after she says "Don't get me wrong. I'm actually here for a reason", she is shown looking down at her lap. When this happens, the reflection of the boom mic can be seen in one of the photographs on the table behind her. (00:46:24)
Up the Crick Without a Piddle - S7-E4
Visible crew/equipment: While Madam Fanny is rehearsing at the piano, behind her in the background, a woman comes down the stairs. It is not a waitress, and Rene and Edith are still in London.
Visible crew/equipment: When Bashir mentions the name of Jephson he leans backwards and a white lighting screen gets reflected on his lenses. (00:12:44)