Sure, why not...
Match Game PM: Specifically the "Burns and Cuts" episode with Avery Schreiber, Joan Collins, and Brett/Charles/Richard/Patty.
$100,000 Pyramid: The first tournament win (which ended with THINGS THAT ARE WARPED). The entire first half of that episode is pure adrenaline.
Wheel of Fortune: Any episode from the first 2 syndicated seasons (83/84) where the $5000 space is hit and someone cashes in on it. Heck, you could probably show the ones where the contestant racks up tens of thousands of dollars and then either goofs on a mis-called letter (80% of THE THRILL OF VICTORY AND THE AGONY OF DEFEAT is revealed and she calls for an S) or a mis-solve (on THE EARLY BIRD GETS THE WORM).
Password: The B&W episode with Alan King and Carol Burnett. As freewheeling as the current version is today, even with lower stakes.
Card Sharks: I'd show some of the earliest episodes, just to show how simple and fun the game can be, and right before it turned into a 3.5-year run on NBC. Lois from early on, who had rotten luck at the Money Cards on her first go, is a good example.