The Irrational is an American crime drama television series created by Arika Mittman. It is loosely based on the life of Dan Ariely, a behavioral economist and professor at Duke University, and his 2008 non-fiction book Predictably Irrational: The Hidden Forces That Shape Our Decisions. The show features Jesse L. Martin in the role of Alec Mercer, a behavioral scientist who, like Ariely, lends his expertise to governments, law enforcement, and corporations to solve complex issues. Co-stars include Molly Kunz as Pheobe, Alec's grad student, and Maahra Hill as Special Agent Marisa Clark.

Season one of The Irrational premiered on September 25, 2023, on NBC, and season two began airing a year later, on October 8, 2024. With the series' premiere attracting over 3.8 million viewers, it received good reviews from critics and a 5.1/10 rating on Rotten Tomatoes.