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The Munsters: 2x30

Herman's Sorority Caper

To cure Herman of his hiccoughs, Grandpa puts him into a trance with the Transylvanian Brain Freeze. Meanwhile, a couple of fraternity pledges are sent to spend a night in the Munster house as part of their initiation. Thinking that sleeping Herman is a dummy, they bring him to a sorority house, where he awakens from his trance.

The Munsters: Season 2 Episode 30
Apr. 14, 1966