Episode 1
Pilot
Professor of behavioral science Alec Mercer suspects there's more to the story when he is called upon to investigate the murder of a fashion influencer whose boyfriend has confessed.
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TV series
The Irrational
2023TV-142 seasons6.6 / 10
He has solving crime down to a science.
Alec Mercer is a world-renowned professor of behavioral psychology with a unique insight into human nature who lends his expertise to an array of high-stakes cases involving governments, corporations and law enforcement. However, he meets his match in a female domestic terror suspect who turns his world upside down.
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Where to watch in United States
Checked Jul 22, 2026
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Synopsis
Alec Mercer is a world-renowned professor of behavioral psychology with a unique insight into human nature who lends his expertise to an array of high-stakes cases involving governments, corporations and law enforcement. However, he meets his match in a female domestic terror suspect who turns his world upside down.
Season 1 episodes
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Episode 2
Dead Woman Walking
Prof. Mercer is approached by old friend CJ, a prominent investigative journalist, who asks for his help after she’s poisoned with a rare and deadly nerve agent. With time running out, Mercer pieces together scant clues.
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Episode 3
The Barnum Effect
After a passenger plane crashes into the Potomac River, suspicions focus immediately on the pilot. Prof. Mercer and the team are asked to investigate the pilot’s personal motivations and piece together clues in the hopes of revealing the truth.
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Episode 4
Zero Sum
Alec and the team take on a kidnapping case at the request of a desperate father. Their investigation is hampered by a complicated family dynamic that slowly reveals everyone's hidden motivations.
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Episode 5
Lucky Charms
Alec and the team head to Las Vegas to help Camille, a former colleague turned expert poker player who's been lured into danger. They must take some risks to solve a gambling mystery before Camille gets hurt. Marisa makes a significant discovery.
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Episode 6
Point and Shoot
Alec agrees to testify as an expert witness in a wrongful death trial for a friend of Kylie's. As he faces an old nemesis, he discovers competing emotions around an accidental shooting. Marisa reaches a decision about the bombing investigation.
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Episode 7
The Real Deal
Alec's first date with Rose turns into a 24-hour excursion when they find themselves taking on an investigation involving a forged masterpiece. Marisa and Kylie attempt to revive their friendship, which has faltered since Alec and Marisa's divorce.
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Episode 8
Scorched Earth
Alec takes a case involving a young burn victim and arson that forces him to confront some trauma from his past. Phoebe and Rizwan compete for an important research grant.
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Episode 9
Cheating Life
After witnessing a hit and run during a friend's livestream, Alec and Kylie aim to prove it wasn't an accident. As Marisa and Jace continue their investigation into the church bombing, they set their sights on a prominent senator.
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Episode 10
Bombshell
Alec and his team come face to face with the man who was put away for the church bombing 20 years earlier. Marisa and Kylie work together to save Alec, Phoebe and Rizwan. Jace makes a critical break in the case that changes everything.
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Episode 11
Reciprocity
Alec and Marisa are close to finding the culprit of the church bombing. Kylie gets an interview with the FBI, but is pulled into the investigation. Rose tracks down a witness. Phoebe and Rizwan make a discovery that sheds light on the truth.
Where to watch The IrrationalEpisode information updated Jul 22, 2026
More about The Irrational
Cast
Jesse L. MartinAlec Mercer
Maahra HillMarisa Clark
Travina SpringerKylie Mercer
Molly KunzPhoebe Duncan
Arash DeMaxiRizwan Asadi
Caleb RuminerDylan Hayes
Kaj-Erik EriksenRay
Dalmar AbuzeidYoung Alec MercerCredits
- Created by
- Arika Lisanne Mittman
- Written by
- Arika Lisanne Mittman, Mark Goffman, Jojo S. Wright
Production details
- Status
- Canceled
- Series type
- Scripted
- Episodes
- 29
- Original language
- English
Networks & production
NBCUnited States
Universal TelevisionUnited States- Simon-Binx ProductionsUnited States
- Samuel Baum ProductionsUnited States
- Off the Cliff EntertainmentUnited States
Themes
based on novel or bookcollege professor
