The present 1959-1963 broadcast situation humorous tale sequence tracks this existences pertaining to this Mitchell household, Henry, Alice, plus belonging to them solely youngster Dennis, one energetic, trouble-prone, mischievous, however well-meaning lad, the individual that frequently tangles alongside belonging to him peace-and-quiet-loving neighbor George Wilson, one retired salesman, alternatively, afterward, alongside George's male sibling John, one writer. Dennis remains fundamentally one excellent, well-intentioned lad the individual that perpetually attempts toward assist individuals, however the individual that winds upward creating situations worse – frequently located at Mr. Wilson's expense.