"Survivor" is an American television program that airs on CBS. In this reality show, both ordinary citizens and showbiz stars must survive in the wild, overcoming various challenges, building shelters, fishing, and hunting to achieve victory. Initially, the heroes compete against each other individually, and then they form rival tribes. Each week, participants are eliminated until only the last survivors remain, who will battle for the grand prize. The show first aired in 2000 and has become popular worldwide.