The 100 - Season — 4

Pay close attention to the lore introduced early on; it becomes the most critical plot point for the season's high-octane finale and the setup for Season 5.

The series continues to ask, "How far are you willing to go to save your people?" The 100 - Season 4

The artificial intelligence ALIE may be gone, but her warning was true. The remaining nuclear power plants are melting down, and a wave of radiation is set to wipe out all life on Earth in six months. The season focuses on the desperate race to find a way for the human race to survive. Key Storylines Pay close attention to the lore introduced early

Roan (Ice Nation) and Octavia (Skaikru) struggle to maintain a fragile peace between the 13 clans as resources dwindle and the end of the world approaches. The season focuses on the desperate race to

Much of the season involves the search for a viable "Lifeboat." This includes the repair of Arkadia, the discovery of a hidden Second Dawn bunker, and the high-risk experiments with "Nightblood" to create radiation immunity.

A brutal, Hunger Games-style battle royale determines which clan gets to inhabit the bunker. Themes to Watch