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Stuck for a comedy sketch for his boss Alan Brady, Rob (Dick Van Dyke) is delighted when his son Ritchie, with seemingly total spontaneity, comes up with a brilliant routine about a talking bowling pin. Only after Rob and his fellow writers submit the script do they discover that Ritchie had previously seen the bowling-pin bit on a popular kiddie program, "The Uncle Spunky Show." Even worse, Uncle Spunky has a reputation for suing anyone who dares lift a single line from one of his scripts!