Watch The 100 S03e13 1 Apr 2026

: Clarke, Bellamy, Octavia, and Jasper follow Lincoln’s map to find Luna, the last known Nightblood, in hopes she will accept the Flame and stop ALIE.

: Luna reveals she left her Conclave to escape a life of killing and strictly refuses to become the next Commander, leaving the "Adventure Squad" stranded at sea with no backup plan. The Fall of Polis The 100: Join or Die Review | Den of Geek Watch The 100 S03E13 1

: After signaling Luna’s people with green fire, the group is drugged and taken to an offshore oil rig. : Clarke, Bellamy, Octavia, and Jasper follow Lincoln’s

In Season 3, Episode 13 of , titled "Join or Die," the narrative splits between a desperate mission to find a new leader, a brutal takeover in Polis, and revealing flashbacks to the Ark. The Search for Luna In Season 3, Episode 13 of , titled