The Wax Men - S3-E24
Visible crew/equipment: When the clown enters Admiral Nelson's quarters, on the left side of the scene the arm of an extra or set crew can be seen.
Voyage to the Bottom of the Sea (1964)
1 visible crew/equipment mistake in season 3 - chronological order
Starring: Richard Basehart, David Hedison, Del Monroe, Robert Dowdell
Continuity mistake: During the battle a railing on a pirate ship falls off, only to be seen in the next shot intact, then missing in a subsequent shot.