Double Dare.

Double Dare is an American television game show, produced by Mark Goodson—Bill Todman Productions, that ran from 1976 to 1977 on CBS. Alex Trebek was the host, with Johnny Olson and later Gene Wood announcing. The show was created by Jay Wolpert. Double Dare was Alex Trebek's only CBS game show, with all others originally airing either on NBC, in syndication, or in Canada; he also only hosted one show for ABC—Super Jeopardy!, which aired for thirteen weeks in 1990.