I guess Bob doesn't believe in April Fools' jokes. Still, there aren't too many contestants who lack the enthusiasm as Susan here, almost feeling like she's dozing off into something else. But then again, its easier to win a cheaper Showcase than it is for an expensive one. This may be the last time vinyl 45s had been offered as well, even though there were certainly Elvis CDs out for years at this point. If they can afford a Caddy, I don't know why they couldn't afford The Peabody for Memphis accommodations or at least a decent three-star hotel instead of a Best Western.
By this point, the present tenor buzzer and squeeze sound (also used in Safe Crackers) has been introduced.
pricefan18, a clip that was recently posted confirmed that audience entrances for games blocked by Door #2 began sometime toward the end of 1988.