THE TRIBES MERGE AND YUL ATTEMPTS TO CHANGE THE COURSE OF THE GAME, ON "SURVIVOR: COOK ISLANDS," THURSDAY, NOV. 23

"Why Would You Trust Me?" -- The tribes merge and Yul attempts to change the course of the game, on SURVIVOR: COOK ISLANDS, Thursday, Nov. 23 (8:00-9:00 PM ET/PT), on the CBS Television Network.

When the Rarotonga tribe of five merge with the Aitutaki tribe of four, Yul realizes he needs to sway one of the old Rarotonga tribe members to join his underdog Aitutaki alliance and decides to reveals his possession of the hidden Immunity Idol to a few select tribe mates. Will the castaways stay true to their alliances or will this news stir up the game? One castaway considers betraying their alliance at Tribal Council, but worries that this decision will cause drama back at camp. And, the 12th castaway is voted out of the tribe.

CASTAWAYS:

AITUTAKI: J.P. Calderon (4th Voted Off), Cristina Coria (7th Voted Off), Billy Garcia (2nd Voted Off), Ozzy Lusth, Cecilia Mansilla (3rd Voted Off)

MANIHIKI: Rebecca Borman (10th Voted Off), Sekou Bunch (1st Voted Off), Stephannie Favor (5th Voted Off), Nathan Gonzales, Sundra Oakley

PUKA PUKA: Cao Boi Bui (6th Voted Off), Jenny Guzon-Bae (11th Voted Off), Yul Kwon, Becky Lee, Brad Virata (9th Voted Off)

RAROTONGA: Adam Gentry, Jonathan Penner, Parvati Shallow, Jessica Smith (8th Voted Off), Candice Woodcock

SURVIVOR: COOK ISLANDS is hosted by Jeff Probst and produced by SEG, Inc. Mark Burnett and Tom Shelly are the executive producers. Doug McCallie and Kevin Greene are co-executive producers.

For more detailed information on SURVIVOR: COOK ISLANDS and the 20 castaways, log on to www.cbs.com/survivor. For more information on the Cook Islands, log on to www.cook-islands.com.

RATING: To Be Announced