All the books by Hank Ketcham adapted to cinema and television

The series follows the lives of the Mitchell family – Henry, Alice, and their only child, Dennis, an energetic, trouble-prone, mischievous, but well-meaning boy, who often tangles first with his peace-and-quiet-loving neighbor, George Wilson, a retired salesman, and later with George’s brother John, a writer.

Five-year-old Dennis Mitchell is a constant source of mischief, especially to his retired next door neighbor, Mr. George Wilson. Bringing the sleeping Mr. Wilson was an apology card, Dennis plays with Mr. Wilson’s dentures and loses the two front teeth, replacing them with Chiclets just before Mr. Wilson has picture taken for the local newspaper.

While Dennis has problems of his own with the neighborhood bully, he does his best to try and give Mr. Wilson the Christmas Spirit. Dennis causes his usual damage and Mr. Wilson ends up breaking Dennis’ spirit. An Angel of Christmas Past Present and Future steps in to help save Christmas for the Mitchells, the Wilsons, and everyone else.

Some years after the previous film, Dennis Mitchell is worse than ever. At the beginning of the film, he goes over to the house of George Wilson to offer him some pets as gifts for his birthday. They include frogs, lizards, snakes, insects, tarantulas, scorpions, mice, exotic mammals, and even a baby alligator.