So one of those is a parody of a game show, the other was used very infrequently. And by very, I mean very.
As the lead-in to some other element, would you see the option where you could force the opposition to answer the question? On Bumper Stumpers the toss-up was meant to provide more meat on the bone and to provide an interesting way to get to the board. Play-or-pass was not all that interesting.
