Overview: Grandma Cora comes to visit, but the trip takes a turn for the worse when she gets mugged. Cora feels very scared; Mork thinks up a plan to get even with the muggers.
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First Air Date: Sep 14, 1978Last Air date: May 27, 1982Season: 4 SeasonEpisode: 95 EpisodeRuntime: 30 minutesQuality: HDIMDb: 7.00 / 10 by 136 usersPopularity: 36.676Language: English