CBS announced today the 20 castaways who will compete against each other on SURVIVOR when the Emmy Award-winning series returns for its 37th season with a special 90-minute premiere.

One tribe will bring balance to their game with an Immunity win. Also, an early showmance could paint a target on a pair of castaway’s backs.

One paranoid castaway calls a tribal meeting to put a stop to side conversations. Also, two castaways bump heads when their Survivor lives are on the line.

After a surprising tribe swap, castaways from the "David" and "Goliath" tribes must learn to work together. Also, a castaway's typical bossy nature could rub her new tribe the wrong way.

Tribes battle to win a food reward for much needed nourishment. Also, the bond between the "Brochachos" becomes a personal achievement for one castaway.

Alliances between the "Davids" and "Goliaths" are tested at the merge. Some castaways may join forces, and a new unlikely pair may choose to work together.

One castaway must do damage control after being called out by their tribe. Also, balance is tested in a stressful immunity challenge.

A quarrel between two castaways could mean the end of a showmance. Also, castaways who win rewards earn a much-needed trip to the burger bar!

Letters from home could fuel castaways' lives in the game! Also, one castaway's negotiation skills for a bigger food supply could pay off...

Emotions are sparked when loved ones visit the castaways. Also, a tribal blindside could create a crack in the Mason-Dixon alliance, and one castaway could break the game wide open by targeting their #1 ally.

One castaway earns a one-in-six chance at the title of Sole Survivor after winning a crucial immunity challenge.

Only four "Goliaths" and two "Davids" remain to face a competitive 63-piece puzzle challenge. Also, a fire-making challenge could change one person's fate in the game, and, after 39 days, one castaway takes home the $1 million dollar prize.

The Season 37 castaways reflect on their experiences.