Even if you forget the modern connotations of "Bob Crane family movie," it's hard to really get into "Superdad." Oh, it's pleasant, and there isn't really anything grating about it apart from Bruno Kirby as Stanley (Is his voice as squeaky as it is because of time compression, youth, or both?), but the hijinks seem forced. If you like seeing Kurt Russell doing his earnest Disney youth thing, if you like seeing luminaries like TV's Joe Flynn and Dick Van Patten, if you like seeing Bob Crane made an ass of, if you like the idea of a knockdown, drag-out brawl between Crane and a pretentious artist in his waterfront shack...well, than you'll like "Superdad."
Yet I felt more creeped out than entertained when watching this. I just couldn't shake that feeling, and I think if I tried to explain why, it would come down to the following 5 reasons: