Survivor: Blood vs. Water Twist Revealed May 16 2013, 03:21 PM by Christine Montgomery ThinkStock When there's a million dollars are on the line, is blood still thicker than water? On the upcoming season of Survivor, returning players and their relatives will be battling it out for a chance to be crowned sole survivor and win the million dollar prize. According to reports, CBS entertainment president Nina Tassler confirmed the rumours about the "Blood vs. Water" theme – first teased out on the Survivor: Caramoan reunion episode – confirming that the upcoming season will indeed involve returning castaways and their loved ones playing the game. The first clue about the theme of Season 27 came in the form of a short, abstract video of blood diffusing into water, similar to the photo above. Fans began speculating on Twitter what the clue might suggest: I knew they were gunna start killing people... #survivorfinale #bloodvswater — Sean Kilgannon (@SKIL69) May 13, 2013 Blood is thicker than water. 10 Hantz family members vs 10 strangers. Now THAT would completely blow my mind!! #survivorfinale #bloodvswater — Jeff Bartkowiak(@bartkovs) May 13, 2013 #survivor #bloodvswater our guess is Egypt @holmes_austinj — Chelsea Graham (@cngrhm11) May 16, 2013 I think The Hunger Games inspires next #survivor season! #bloodvswater #s27 CAANNOT WAAIT! — R. Syukri (@sukasukasukri) May 14, 2013 @survivor_tweet I got it... #bloodvswater = Vampires vs. Mermaids! Im norm a vampire fan, but I think mermaids may have the advantage — ~Maggie J~ (@onlymaggiej) May 13, 2013 Of course, the official announcement about the family theme has only raised more questions about the season. Which castaways will be returning for another shot at the prize? Will the alliances from previous seasons be reunited and test the bonds of family? But for now, details about how the Season 27 theme will be executed will remain under lock and key. Survivor: Blood vs. Water premieres in September on Global TV. Watch Survivor Online | Survivor: Caramoan Reunion Episode _______When does Survivor: Blood vs. Water premiere? In Canada, Survivor: Blood vs. Water will premiere in September, 2013 on Global TV Where can I watch Survivor online for free? GlobalTV.com/survivor streams full episodes of Survivor online for free - episodes are typically posted the day after the initial on-air broadcast.