NBC's new drama, The Irrational, starring Jesse L. Martin, explores the concept of rationality and how our preconceived notions influence decision-making. Alec Mercer, played by Martin, is a renowned leader in behavioral science who assists in high-stakes cases involving governments, law enforcement, and corporations. The show's official trailer reveals Mercer's expertise in understanding human behavior and his involvement in solving bizarre and dangerous cases. The Irrational premieres on September 25th and features a talented cast including Maahra Hill, Travina Springer, Molly Kunz, and Arash DeMaxi. Episodes will be available to watch on NBC and Peacock.