Last episode
The Exchange
s02e18 · 2025-03-26
Ended · US
The Irrational
NBC Scripted
What it is
The Irrational follows world-renowned professor of behavioral science Alec Mercer as he lends his unique expertise on an array of high-stakes cases involving governments, law enforcement and corporations. His insight and unconventional approach to understanding human behavior lead him and the team on a series of intense, unexpected journeys to solve illogical puzzles and perplexing mysteries.
Episode highlights
Next episode
None captured
Episode guide
18 this season · 29 totals02e01 Collateral Damage 2024-10-09 02:00
Collateral Damage
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.
s02e02 A Kick in the Teeth 2024-10-16 02:00
A Kick in the Teeth
The FBI needs Alec and his team to help stop a serial killer terrorizing the suburbs; as the bodies pile up, Alec helps the police uncover what's really driving this murderer to his choice of victims.
s02e03 Bad Blood 2024-10-23 02:00
Bad Blood
When a rising star on Wall Street is killed during her hockey game, Alex must determine if it was an accident or murder; Alex and Rose find themselves on opposite sides of the case as they try to get to the heart of the victim's cutthroat world.
s02e04 Formal Ties 2024-10-30 02:00
Formal Ties
Alec and Marisa attend the wedding of a mutual friend's daughter located inside a foreign embassy, where the father of the bride has been ensconced for diplomatic reasons; their night off quickly turns into a murder investigation.
s02e05 Anatomy of a Fall 2024-11-13 03:00
Anatomy of a Fall
Simon's mother asks Alec to help stop a suicide contagion when a third student death strikes the campus; Alec asks Marisa to help when he thinks there might be more to the case; Phoebe struggles with her next career move.
s02e06 The Wrong Side of Maybe 2024-11-27 03:00
The Wrong Side of Maybe
Alec and the team work to prevent a looming locomotive catastrophe; Phoebe, Simon and Rizwan struggle to adjust to new power dynamics.
s02e07 Stan by Me 2024-12-04 03:00
Stan by Me
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.
s02e08 Lost Souls 2025-01-08 03:00
Lost Souls
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.
s02e09 Another Man's Treasure 2025-01-15 03:00
Another Man's Treasure
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.
s02e10 Now You Don't 2025-01-22 03:00
Now You Don't
After a volunteer dies onstage, Alec and Rose peer behind the curtain of professional magic to try and find out who killed her.
s02e11 Ghost Ship 2025-01-29 03:00
Ghost Ship
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.
s02e12 Straight From the Heart 2025-02-05 03:00
Straight From the Heart
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.
s02e13 Murder She Rode 2025-02-12 03:00
Murder She Rode
After a champion horse throws and kills his rider, Alec and Phoebe are called upon to save the horse from being euthanized; their investigation reveals what happened isn't at all as it appears.
s02e14 The Milgram Experiment 2025-02-19 03:00
The Milgram Experiment
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.
s02e15 Conversation Games 2025-02-26 03:00
Conversation Games
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.
s02e16 The Overview Effect 2025-03-12 02:00
The Overview Effect
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; an accident during a training exercise puts the mission at risk.
s02e17 Suddenly Alec 2025-03-19 02:00
Suddenly Alec
In order to solve an actor's murder, Alec and Rose must go undercover to infiltrate a community theater production of "Little Shop of Horrors," but joining the cast may put them right in the killer's crosshairs.
s02e18 The Exchange 2025-03-26 02:01
The Exchange
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.