: The explosion and fire destroy Skaikru's primary shelter and its vast resources, including medical supplies and computers.

The fifth episode of the fourth season of The 100 , titled originally aired on March 1, 2017. In this episode, Clarke Griffin attempts to negotiate a peaceful resolution with King Roan as Azgeda (Ice Nation) forces march on Arkadia, eventually reaching a deal to share the station 50/50. However, the agreement is rendered moot when Ilian , driven by a desire to destroy the technology he blames for his past trauma, infiltrates Arkadia and sets fire to the server room, causing the entire station to burn to the ground. Where to Watch

The 100 Season 4 Episode 5 Review: The Tinder Box. Skaikru loses its best hope for survival in another great episode of The 100. . Den of Geek The 100 Season 4 Episode 5: The Tinder Box Recap

: Abby begins experiencing similar hallucinations and physical symptoms to Raven, realizing she also has brain damage from the EMP.