Editor's note: The air time of this episode has changed.

CASTAWAYS HOVER ON THE "EDGE OF EXTINCTION" IN AN ALL-NEW TWIST, ON THE SEASON PREMIERE OF "SURVIVOR," WEDNESDAY, FEB. 20

"It Smells Like Success" - Castaways hover on the "Edge of Extinction" in an all-new twist, and four returning players attempt to bond with their new tribemates. Also, castaways tackle a giant puzzle in their first immunity challenge of the season, on the season premiere of SURVIVOR, Wednesday, Feb. 20 (8:00- 9:01 PM, ET/PT) on the CBS Television Network.

"MANU" TRIBE

Dan "The Wardog" DaSilva, Law Student/Former Military

Reem Daly, Sales

Rick Devens, Morning News Anchor

Wendy Diaz, Small Business Owner

Lauren O'Connell, Student at Baylor University

Keith Sowell, Pre-Med Student

Chris Underwood, District Sales Manager

Kelley Wentworth, Marketing Manager, Previous Seasons: Second Chance, San Juan del Sur

David Wright, Television Writer, Previous Season: Millennials vs. Gen-X

"KAMA" TRIBE

Joe Anglim, Multimedia Artist, Previous Seasons: Worlds Apart, Second Chance

Aubry Bracco, Marketing Director, Previous Seasons: Kaoh Rong, Game Changers

Victoria Baamonde, Waitress

Ron Clark, Teacher, Ron Clark Academy

Julia Carter, Medical Assistant

Eric Hafemann, Firefighter

Aurora McCreary, Divorce Lawyer

Julie Rosenberg, Toymaker

Gavin Whitson, YMCA Program Director

SURVIVOR is hosted by Emmy Award-winning host Jeff Probst and produced by S.E.G. Holdco., LLC. Mark Burnett, Jeff Probst and Matt Van Wagenen are executive producers.

For more detailed information on SURVIVOR and the castaways, log on to www.cbs.com/survivor.