Browse episode ratings trends for The Irrational. Simply click on the interactive rating graph to explore the best and worst of The Irrational's 29 episodes.
Best Episodes of The Irrational
Reciprocity
S1 Ep11
7.7
19th Feb 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.
Conversation Games
S2 Ep15
7.6
25th Feb 2025
When Kylie and Marisa find evidence that a tech billionaire may be a serial killer, Alec quickly determines the only way to prove the killer’s guilt is for Alec to extract a confession, which leads into a dangerous game of cat and mouse.
The Exchange
S2 Ep18
7.6
25th Mar 2025
When Alec is recruited to assist with a multi-national prisoner exchange that has gone awry, he sees an opportunity to rescue a wrongfully imprisoned colleague. The case pulls Alec and Rose into the dangerous world of international espionage.
The Overview Effect
S2 Ep16
7.6
11th Mar 2025
With an astronaut trapped in space, Alec is tapped to evaluate whether the pair of astronauts assigned to rescue them—a married couple—can safely complete the mission, until an accident during a training exercise puts the mission at risk.
The Barnum Effect
S1 Ep3
7.6
9th Oct 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.
Bombshell
S1 Ep10
7.6
12th Feb 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.
The Milgram Experiment
S2 Ep14
7.6
18th Feb 2025
Alec helps Rose when an attorney general is threatened by a scandalous deep fake video that puts lives in danger. The head of Rose’s firm arrives from Europe and gets entangled in their case work, leading Alec to do an experiment.
Straight From the Heart
S2 Ep12
7.6
4th Feb 2025
Renee seeks Alec's help after she has a dream containing details about a murder that actually happened. The case grows more intriguing when they realize the victim was Renee's heart transplant donor. Marisa is surprised by a visitor from her past
Bad Blood
S2 Ep3
7.6
22nd Oct 2024
Alex investigates the death of a rising star on Wall Street who was killed during her hockey game.
Worst Episodes of The Irrational
Stan by Me
S2 Ep7
7.3
3rd Dec 2024
Alec enters the world of K-Pop fandom when a superfan is murdered, and the only suspect is the pop star the fan idolizes. Alec and Rose dig beneath the surface to uncover what happened and, in the process, he uncovers more about her past.
Lost Souls
S2 Ep8
7.3
7th Jan 2025
When an acclaimed tennis player goes missing in a remote forest, Alec is called to help find her and bring her to safety. However, a medical emergency threatens to sideline Alec, leaving Marisa and Rose to race against time and rescue the woman.
The Real Deal
S1 Ep7
7.3
6th Nov 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.
The Wrong Side of Maybe
S2 Ep6
7.4
26th Nov 2024
Alec and the team work to prevent a looming train disaster. Phoebe, Simon and Rizwan struggle to figure out the new power dynamics between them.
Collateral Damage
S2 Ep1
7.4
8th Oct 2024
When Rose goes missing, Alec quickly discovers this is no ordinary kidnapping. While Rose plays a dangerous game to stall for time, Alec takes matters into his own hands to find her.
Another Man's Treasure
S2 Ep9
7.4
14th Jan 2025
Alec and Marisa investigate a museum heist and a curator and his son might hold the key; the case raises ethical questions about the controversial practice of buying and selling cultural artifacts, which brings old memories for Marisa.
Ghost Ship
S2 Ep11
7.4
28th Jan 2025
Alec and Marisa investigate a mysterious ghost ship that has washed up on the shores of his hometown. This forces him to revisit his past and spend time with his father with whom he has a fraught and complicated relationship
Zero Sum
S1 Ep4
7.4
16th Oct 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.
Now You Don't
S2 Ep10
7.4
21st Jan 2025
Alec brings Rose on a date to a magic club he frequents where a friend is the headliner; the evening turns deadly when an audience volunteer is inexplicably killed onstage, and seemingly by magic.
The Irrational Episode Guide
Pilot
S1 Ep1
7.4
25th Sep 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.
Dead Woman Walking
S1 Ep2
7.5
2nd Oct 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.
The Barnum Effect
S1 Ep3
7.6
9th Oct 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.
Zero Sum
S1 Ep4
7.4
16th Oct 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.
Lucky Charms
S1 Ep5
7.5
23rd Oct 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.
Point and Shoot
S1 Ep6
7.4
30th Oct 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.
The Real Deal
S1 Ep7
7.3
6th Nov 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.
Scorched Earth
S1 Ep8
7.5
29th Jan 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.
Cheating Life
S1 Ep9
7.5
5th Feb 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.
Bombshell
S1 Ep10
7.6
12th Feb 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.
Reciprocity
S1 Ep11
7.7
19th Feb 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.
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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The best rated episodes of The Irrational are:
Reciprocity S1E11 rated 7.7
Conversation Games S2E15 rated 7.6
The Exchange S2E18 rated 7.6
The Overview Effect S2E16 rated 7.6
The Barnum Effect S1E3 rated 7.6
Bombshell S1E10 rated 7.6
The Milgram Experiment S2E14 rated 7.6
Straight From the Heart S2E12 rated 7.6
Bad Blood S2E3 rated 7.6
The lowest rated episodes of The Irrational are:
Stan by Me S2E7 rated 7.3
Lost Souls S2E8 rated 7.3
The Real Deal S1E7 rated 7.3
The Wrong Side of Maybe S2E6 rated 7.4
Collateral Damage S2E1 rated 7.4
Another Man's Treasure S2E9 rated 7.4
Ghost Ship S2E11 rated 7.4
Zero Sum S1E4 rated 7.4
Now You Don't S2E10 rated 7.4
The first episode of The Irrational aired on September 25, 2023.
The last episode of The Irrational aired on March 25, 2025.
