Brothers Sid and Marty Krofft, creators of family television shows “H.R. Pufnstuf” and “Land of the Lost,” dicuss their latest creation, “Mutt & Stuff.” On the brightly colored Van Nuys set of “Mutt & Stuff,” a kids show about a 7-foot-tall animatronic dog named Stuff at a canine school, creators Sid and Marty Krofft roam the room checking shots. Pufnstuf,” …
