7.4/10560 votes#1 - Pilot
Season 1 Episode 1 - Aired 9/25/2023
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.
Director: David Frankel
Writer: Arika Lisanne Mittman
7.2/10463 votes#2 - Dead Woman Walking
Season 1 Episode 2 - Aired 10/2/2023
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.
Director: Jesse Warn
Writer: Arika Lisanne Mittman
7.4/10392 votes#3 - The Barnum Effect
Season 1 Episode 3 - Aired 10/9/2023
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.
Director: John Terlesky
Writer: Mark Goffman
7.4/10359 votes#4 - Zero Sum
Season 1 Episode 4 - Aired 10/16/2023
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.
Director: N/A
Writer: N/A
7.4/10338 votes#5 - Lucky Charms
Season 1 Episode 5 - Aired 10/23/2023
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.
Director: N/A
Writer: N/A
7.0/10373 votes#6 - Point and Shoot
Season 1 Episode 6 - Aired 10/30/2023
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.
Director: N/A
Writer: N/A
7.5/10281 votes#7 - The Real Deal
Season 1 Episode 7 - Aired 11/6/2023
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.
Director: N/A
Writer: N/A
7.7/10245 votes#8 - Scorched Earth
Season 1 Episode 8 - Aired 1/29/2024
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.
Director: N/A
Writer: N/A
7.5/10229 votes#9 - Cheating Life
Season 1 Episode 9 - Aired 2/5/2024
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.
Director: N/A
Writer: N/A
7.9/10223 votes#10 - Bombshell
Season 1 Episode 10 - Aired 2/12/2024
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.
Director: N/A
Writer: N/A
7.7/10204 votes#11 - Reciprocity
Season 1 Episode 11 - Aired 2/19/2024
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.
Director: N/A
Writer: N/A
The Best Episodes of The Irrational Season 1
Every episode of The Irrational Season 1 ranked from best to worst. Discover the Best Episodes of The Irrational Season 1!
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...
Genres:CrimeDrama
Network:NBC
Season 1 Ratings Summary
"Pilot" is the best rated episode of "The Irrational" season 1. It scored 7.4/10 based on 560 votes. Directed by David Frankel and written by Arika Lisanne Mittman, it aired on 9/25/2023. This episode is rated 0.2 points higher than the second-best, "Dead Woman Walking".