AS THE END DRAWS NEAR, THE REMAINING SIX CASTAWAYS ARE UNSURE OF THEIR SAFETY IN THE GAME AND THEY BEGIN TO QUESTION THEIR ALLIANCES, ON "SURVIVOR: SAMOA" THURSDAY, DEC. 17

"Two Brains Are Better Than One" - A shocking betrayal leaves one nervous castaway on the chopping block and brings everyone's strategy into question, on SURVIVOR: SAMOA, Thursday, Dec. 17 (8:00-9:00 PM ET/PT) on the CBS Television Network.

CASTAWAYS:

Castaways competing on SURVIVOR: SAMOA (in alphabetical order separated by tribes) are:

AIGA (Merged Tribe)

Dave Ball (11th Eliminated)

Erik Cardona (7th Eliminated)

Brett Clouser

John Fincher (10th Eliminated)

Russell Hantz

Monica Padilla (12th Eliminated)

Laura Morett (9th Eliminated)

Jaison Robinson

Kelly Sharbaugh (8th Eliminated)

Mick Trimming

Shannon Waters

Natalie White

FOA FOA GALU

Betsy Bolan (2nd Voted Out) Yasmin Giles (4th Voted Out)

Mike Borassi (Medical Evacuation) Russell Swan (Medical Evacuation)

Ben Browning (3rd Voted Out)

Marisa Calihan (1st Voted Out)

Elizabeth Kim (6th Voted Out)

Ashley Trainer (5th Voted Out)

SURVIVOR: SAMOA is hosted by Emmy Award-winning host Jeff Probst and produced by SEG, Inc. Mark Burnett is executive producer and David Burris and Leisa Francis are co-executive producers.

For more detailed information on SURVIVOR: SAMOA and the 20 castaways, log on to www.cbs.com/survivor. If you want to follow Survivor on Twitter, go to http://twitter.com/Survivor_Tweet .