Revealing mistake: While the Seaview rocks violently back and forth from the concussion of the under water explosion, the pencils, folders, papers, etc., on the navigation table do not move.
Voyage to the Bottom of the Sea (1964)
1 revealing mistake in season 2 - 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.