In season three (which the cast and showrunner previewed here), the show is more politically complicated than ever, and the world-building that accompanies the depiction of various factions, alliances and conflicts is generally admirable." In a review of the season 3 finale "Perverse Instantiation: Part Two", Mariya Karimjee of wrote: "Every moment of this finale is pitch-perfect: the choreography of the fight scenes, the plotting and pacing, and the stunning way in which the episode finally reaches it apex.
"Perverse Instantiation: Part Two" elevates the season's themes and pulls together its disparate story lines, setting us up nicely for season four." In another review of the season 3 finale and the season overall, Kyle Fowle of The A. Club wrote: "Before we even get to tonight's action-packed finale of The 100, it needs to be said that this has been a rocky season.
In March 2016, The 100 was renewed for a fourth season of 13 episodes, which premiered on February 1, 2017.
The hundreds of bars, clubs, lounges, spas and karaokes in Hanoi range from extremely basic (4 walls and a stool) to world-class sophisticated venues.It takes a little while for the series to warm up, but when The 100 begins to hit its stride, a unique and compelling drama begins to emerge." IGN's editor Eric Goldman also gave the show a more positive review, writing: "Overcoming most of its early growing pains pretty quickly, The 100 was a very strong show by the end of its first season.But Season 2 elevated the series into the upper echelon, as the show become one of the coolest and most daring series on TV these days." the episode "Thirteen" attracted criticism when Lexa, one of the series' LGBT characters, was killed off.It is eventually revealed that the Mountain Men are transfusing blood from imprisoned Grounders as an anti-radiation treatment. was commanded to make life better for mankind and responded by solving the problem of human overpopulation by launching a nuclear apocalypse that devastated Earth. In the fourth season, hundreds of nuclear reactors around the world are melting down due to decades of neglect that will result in 96% of the planet becoming uninhabitable.Medical tests of the 100 show an even more potent anti-radiation efficacy; their bone marrow will allow the mountain men to survive outside containment. The AI takes over the minds of nearly everyone in Arkadia and Polis, the capital city of the Grounders. Clarke and the others investigate ways to survive the coming wave of radiation. E., can metabolize radiation, Clarke and the others attempt to recreate the formula, but their attempts failed.