One castaway gets fired up when learning a lesson on the Island of the Idols, where Boston Rob Mariano and Sandra Diaz serve as mentors in an all-new twist. Also, castaways question whether likability will prove to be a liability.

One castaway puts their mind to work when given a new opportunity on the Island of the Idols. Also, tribes must climb their way to the top during a tough immunity challenge.

New tribal dynamics may put the rest of the castaways on edge leading into the next tribal council. Also, one castaway is presented with an opportunity on 'Island of the Idols' - complete a risky task in order to gain an advantage.

A "showmance" could create distractions and paint a target on two castaways' backs. Also, after a visit with Boston Rob and Sandra on Island of the Idols, one castaway has a chance to seize an opportunity to prove their power of persuasion.

Castaways are forced to switch up their game after a surprising tribe swap.

Rival alliances go head to head over a powerful player, and one castaway must decide if they are daring enough to take on a risky task after visiting the Island of the Idols.

An empire falls and a rebellion rises, but the game is far from over. Also, another castaway visits the Island of the Idols for a chance to earn an advantage.

Castaways enjoy a merge feast before individual immunity is on the line.

An unexpected twist shakes up the game and sends two people home.

One castaway must prove how well they know their castmates when presented with a game-changing opportunity while visiting Island of the Idols.

Trust is tested when new alliances are formed but some old ones remain. Also, lines are drawn in the sand after the family visit.

The fourteenth castaway is voted out and joins the jury, on the penultimate episode.

The castaways reunite in Los Angeles to discuss the season. Jeff Probst hosts.