Episode 1×11 “Reciprocity”

Alec and Marisa are close to finding the culprit of the church bombing.

Air Date: Air Date: Monday, February 19 (10–11 p.m. ET) on NBC.

Photos: “Reciprocity”

Episode 1×10 “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.

Air Date: Monday, February 12 (10–11 p.m. ET) on NBC.

Photos: “Bombshell”

Episode 1×09 “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 turn their sights on a prominent senator.

Air Date: Monday, Feb. 5 (10:00PM – 11:00PM) on NBC.

Photos: “Cheating Life”

Episode 1×08 “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.

Air Date: Monday, Jan. 29 (10:00PM – 11:00PM) on NBC.

Photos: “Scorched Earth”

Episode 1×07 “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.

Air Date: Monday, Nov. 6 (10:00PM – 11:00PM) on NBC.

Photos: “The Real Deal”

Episode 1×06 “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.

Air Date: Monday, Oct. 30 (10:00PM – 11:00PM) on NBC.

Photos: “Point and Shoot”

Episode 1×05 “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.

Air Date: Monday, Oct. 23 (10:00PM – 11:00PM) on NBC.

Photos: “Lucky Charms”

Episode 1×04 “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.

Air Date: Monday, Oct. 16 (10:00PM – 11:00PM) on NBC.

Photos: “Zero Sum”

Episode 1×03 “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.

Air Date: Monday, Oct. 9 (10:00PM – 11:00PM) on NBC.

Photos: “The Barnum Effect”

Episode 1×02 “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.

Air Date: Monday, Oct. 2 (10:00PM – 11:00PM) on NBC.

Photos: “Dead Woman Walking”


Episode 1×01 “Pilot”

The Irrational follows world-renowned professor of behavioral science Alec Mercer (Jesse L. Martin) 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.

The show is based on best-selling author Dan Ariely’s book, “Predictably Irrational.”

In the pilot episode Mercer is called upon to investigate the murder of a fashion influencer whose boyfriend, a decorated soldier and son of a senator, has confessed to the crime. Mercer suspects there’s more to the story than meets the eye.

Air Date: Monday, Sept. 25 (10:00PM – 11:00PM) on NBC.

Photos: “Pilot”