Article continues below advertisementSurvivor's 50th season launched with its biggest cast ever: 24 contestants spanning eras from Season 1's Jenna Lewis-Dougherty to the most recent winner, Survivor 49's Savannah, all greeted in Fiji by Jeff Probst.The game escalated fast after the opening marooning challenge, when a major twist forced each tribe to send one player to compete for supplies without knowing the task ahead of time.Article continues below advertisementCoach vs.