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
You can find more detailed episode guides and reviews on platforms like TV Guide or Rotten Tomatoes . PilotThe 100 : Season 1 Episode 1
: 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 In the series premiere of , titled "