2011 TONIGHT'S EPISODE: "Great Scott!" Joseph Kearns. (All images courtesy Hank Ketcham Enterprises, Inc. and Shout! Factory LLC, unless noted otherwise.) THERE is absolutely no way the sitcom Dennis the Menace  ( CBS , 1959-1963) affected the course of TV history whatsoever. The adaptation of Hank Ketcham's  comic strip was so faithful to the original source