CBS | 9:30 pm
This special edition of a global reality show franchise pits 28 fan favorites from some of CBS' biggest competition shows — "Survivor," "The Amazing Race," "Big Brother" and "Love Island" — against each other in a series of grueling tests, both physical and mental. In tonight's 90-minute premiere, the players all are given $1,000 to start their individual challenge account, but they must win challenges or eliminate another player to add to that sum. In each episode, an algorithm pairs each twosome to square off in that challenge. T.J. Lavin is the host.