: The episode reveals the "Cerberus Program," where Mount Weather uses a chemical serum to turn Grounders like Lincoln into violent "Reapers". Critical Reception
: Jasper Jordan agrees to participate in a "risky experiment" involving blood transfusions, unaware of the sinister nature of Dr. Tsing's research. [S2E5] Human Trials
In this pivotal episode, the tension between the "Sky People" (Arkadia) and the "Grounders" reaches a breaking point while the dark secrets of Mount Weather begin to surface. : The episode reveals the "Cerberus Program," where