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Suffering from insomnia, Marilyn (Beverly Owen) takes a sleeping potion which, unbeknownst to her, has been "improved" by her Grandpa (Al Lewis). The result: Marilyn goes into a deep and possibly permanent slumber, prompting Herman (Fred Gwynne) to seek out a "Prince Charming" who will be able to awaken his niece with a kiss. Somehow this plotline also involves a brace of unemployed actors (one played by future Love Boat leading man Gavin McLeod, the other by The Incredible Shrinking Man star Grant Williams)--not to mention Grandpa's scheme to convert water into gasoline.