<P> Limitless is an American comedy - drama television series based on the 2011 film of the same name, which originally aired on CBS from September 22, 2015, to April 26, 2016 . It stars Jake McDorman as Brian Finch, who discovers the power of a mysterious nootropic drug by the name of NZT - 48 . This drug unlocks the full potential of the human brain and gives its user enhanced mental faculties . </P> <P> It is a spinoff to the film of the same name, which in turn was based on the novel The Dark Fields, and takes place four years after the events of the movie . </P> <P> The series was ordered by CBS on May 8, 2015 . On October 23, 2015, CBS picked up Limitless for a full season of 22 episodes . On May 18, 2016, CBS confirmed Limitless would not be part of the network's 2016--2017 lineup, and on May 25, 2016, CBS executive Craig Sweeny announced the series had been cancelled after one season . </P> <P> Brian Finch (McDorman), a 28 - year - old burnout and struggling musician, is introduced to NZT - 48, a miracle drug that gives him access to every neuron in his brain . For twelve hours after taking the pill, he becomes the smartest person in the world, able to perfectly recall every detail of his life and capable of prodigious leaps of intuition and reasoning . With the mysterious US Senator Eddie Morra (Bradley Cooper) providing him with an immunity shot to counteract NZT's deadly side effects, Brian uses his enhanced abilities to help FBI agent Rebecca Harris (Jennifer Carpenter). The FBI doesn't know about the shot and Brian has to keep both worlds separate . </P>

When is season 2 of limitless coming out
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