In the series premiere of , titled " Pilot " (aired March 19, 2014), humanity faces its ultimate test. Nearly a century after a nuclear apocalypse decimated Earth, the last remnants of the human race live aboard the Ark , a massive space station. However, with life-support systems failing, the Ark’s leadership makes a desperate gamble: they send 100 juvenile detainees to the surface to see if the planet is habitable again. Key Plot Points
: A determined natural leader and the daughter of the Ark’s chief medical officer. PilotThe 100 : Season 1 Episode 1
: The son of the Ark's Chancellor, who is initially ostracized by the other teens. Themes and Tone In the series premiere of , titled "
: A protective older brother who stowed away on the dropship to protect his sister, Octavia. Key Plot Points : A determined natural leader