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Signing up for a nighttime creative writing class, Laura (Mary Tyler Moore) is unexpectedly lauded as a literary genius by her nerdy teacher Mr. Caldwell (Bernard Fox). Rob (Dick Van Dyke) suspects that Caldwell is playing up to Laura just to get an opportunity to show off his own writing efforts to a professional -- namely, Rob. Little does anyone suspect Caldwell's true ulterior motive -- to be alone and in a romantic embrace with the delectable Laura! This was the final episode of The Dick Van Dyke Show's third (and, arguably, funniest) season.