Wetten, dass..? is a German-language Saturday entertainment television show. It is the largest and most successful television show in Europe. Its format was the basis for the British show You Bet! and the American show Wanna Bet?

Wanna Bet? is an American game show based on the German series Wetten, dass..?, which aired on ABC. It featured four celebrities making wagers on whether ordinary Americans will be able to complete outrageous stunts. The format first aired as a one-time special on CBS in 1993, with Gordon Elliott and Mark McEwen hosting.