Other mistake: When YoYo drops Herman after the potion wears off, his wig flops up.
Movie Nut
24th Nov 2020
The Munsters (1964)
31st Jul 2015
The Munsters (1964)
Herman, the Master Spy - S2-E2
Other mistake: The Russian trawler shown appears a lot closer than three miles out. At that distance from the beach it would be very small in size, if visible at all, and then only if an observer had binoculars or telescope.