You think you've seen it all, and then you see parodies like these: "El Twisto" and its take on spaghetti westerns, martial arts mockery in "Shaolin Delivery Boy", "The Wedding Bout" mixes it up with boxing AND marriage, "Joey Petrone: TV Cop" (you can probably guess what that one makes fun of), and "Live Tomorrow Today" with a few things to say about self help gurus.
Ted Lange from "The Love Boat" hosts this infomercial about a product that helps kids skip adolescence and get right down to the business of being a grownup.