NBC The Irrational cancelled

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 NBC has opted not to renew sophomore drama series for a third season. After a promising freshman run, the crime drama starring Jesse L. Martin fell off significantly in the ratings during its second season with comparable lead-ins
Facing a different playing field in Season 2, found it difficult to keep up with its initial performance, posted significant year-to-year declines. Likely because of that, with so many NBC series on the bubble this season and renewal decisions coming down to the wire as the network has to make room for about 180 hours of primetime NBA programming next season, fate was sealed ahead of time