Twenty returning castaways, who were voted in by fans, arrive in Koh Rong, Cambodia, an island in the South China Sea, for a second chance to win the top $1 million prize as the 31st season begins.
Thirteen castaways form the largest merge in the history of the competition; two castaways feud and the individual immunity challenge is a game of balance.
A castaway puts personal safety at risk in hopes of gaining an advantage. There's a brutal immunity challenge and three castaways, known as Witches Coven, stir things up.
Relentless rain drowns the players' spirits, but a fun reward reveals a glimpse of Cambodian culture; the voting block strategy keeps castaways on their toes.
The castaways' emotions run deep when loved ones visit the island, plus there's a desperate reward challenge; during an immunity battle, exhaustion takes its toll.
The castaways scramble to form a plan for the final three, while a frightening incident shocks the tribe; the castaways are rewarded with a visit to temples in Cambodia.
Six castaways compete for a spot in the top three, but a "Survivor" first occurs during a shocking tribal council; the three finalists battle for the $1 million prize.
