VIDEO: Sneak Peek - SURVIVOR: BLOOD VS. WATER Challenge Preview

Challenge Producer John Kirhoffer takes us behind-the-scenes for a first look at the challenge, Buoy Oh Buoy, featured on SURVIVOR: Blood vs. Water, Wednesday, October 23 on CBS. Check it out below!

Twenty castaways will compete on SURVIVOR when the Emmy Award-winning series returns.  This "Blood vs. Water" edition of will feature former players competing with their relatives who all have the same ultimate goal: to outwit, outplay and outlast and ultimately be crowned Sole Survivor. 

The show is hosted by Emmy Award winner Jeff Probst.