Season 3, Episode 10 Dennis Is a Genius
Have the Mitchells got a genius on their hands? Dennis: Jay North. Heydon: James Millhollin. Herman Robert: John Pittman. Miss Perkins: Elizabeth Harrower. Henry: Herbert Anderson. Alice: Gloria Henry.
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- Rating: TV-PG
- Premise: Sitcom mischief with cartoonist Hank Ketcham's comic-strip terror who really didn't mean to do all those things that drove Mr. Wilson crazy. Joseph Kearns, who played Mr. Wilson, died midway through the 1961-62 season. He was replaced by Gale Gordon as Mr.… (more)