Pilotthe 100 : Season 1 Episode 1 May 2026

: 100 teenagers, considered "expendable" by the Ark's laws, are dropped into Earth’s atmosphere in a crude dropship.

: The episode ends with the shocking realization that they are not alone; a mysterious spear is thrown at one of the teens, Jasper, signaling the presence of "Grounders." Core Characters Introduced PilotThe 100 : Season 1 Episode 1

You can find more detailed episode guides and reviews on platforms like TV Guide or Rotten Tomatoes . : 100 teenagers, considered "expendable" by the Ark's

The pilot sets a dark, gritty tone for the series, exploring themes of , leadership , and the will to survive . It shifts quickly from a teen drama vibe to a high-stakes sci-fi thriller, establishing that on this new Earth, no one is safe. It shifts quickly from a teen drama vibe

: A determined natural leader and the daughter of the Ark’s chief medical officer.

: A carefree "spacewalker" who quickly becomes a key ally for Clarke.

: A protective older brother who stowed away on the dropship to protect his sister, Octavia.