After crossing paths with a vengeful group of survivors, Ellie's fighting spirit draws unwanted attention from its leader; still battling for his life, a weakened Joel faces off with a hunting party out for blood.
Rigby and Mordecai unplug some cables in an old synthesizer; they travel back to the planet of Synthos to bring Gary back to life.
Mordecai and Rigby have to paint a house.
Pops wants to learn how to surf in order to become "one with nature."
Skips tells Rigby and Mordecai the story of how he became immortal.