The BEST episodes of The Irrational season 2

Every episode of The Irrational season 2, ranked from best to worst by thousands of votes from fans of the show. The best episodes of The Irrational season 2!

Alec Mercer is a world-renowned professor of behavioral science who offers up his unique and unexpected approach to understanding human behavior to help solve an array of high-stakes cases involving governments, law enforcement and corporations.

Last Updated: 3/6/2025Network: NBCStatus: Continuing
Conversation Games
star
7.66
114 votes

#1 - Conversation Games

Season 2 - Episode 15 - Aired 2/25/2025

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.

Watch Now:AmazonApple TV
Straight From the Heart
star
7.64
133 votes

#2 - Straight From the Heart

Season 2 - Episode 12 - Aired 2/4/2025

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.

Directors: Rebecca Moline
Watch Now:AmazonApple TV
The Milgram Experiment
star
7.61
135 votes

#3 - The Milgram Experiment

Season 2 - Episode 14 - Aired 2/18/2025

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.

Directors: Jesse Warn
Watch Now:AmazonApple TV
Bad Blood
star
7.57
210 votes

#4 - Bad Blood

Season 2 - Episode 3 - Aired 10/22/2024

When a rising star on Wall Street is killed during her hockey game, Alec 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.

Directors: Jeffrey W. Byrd
Watch Now:AmazonApple TV
Anatomy of a Fall
star
7.56
186 votes

#5 - Anatomy of a Fall

Season 2 - Episode 5 - Aired 11/12/2024

Simon's mother asks Alec to help stop a suicide contagion when a third student death strikes the campus. Alex asks Marisa to help when he thinks there might be more to the case. Phoebe struggles with her next career move.

Directors: Darnell Martin
Watch Now:AmazonApple TV
Murder She Rode
star
7.55
138 votes

#6 - Murder She Rode

Season 2 - Episode 13 - Aired 2/11/2025

After a champion horse throws and kills its rider, Alec and Phoebe are called up on to save the horse from being euthanized. Their investigation reveals what happened isn't at all as it appears.

Directors: Jon Huertas
Watch Now:AmazonApple TV
Now You Don't
star
7.53
155 votes

#7 - Now You Don't

Season 2 - Episode 10 - Aired 1/21/2025

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.

Directors: Jesse Warn
Watch Now:AmazonApple TV
Ghost Ship
star
7.51
146 votes

#8 - Ghost Ship

Season 2 - Episode 11 - Aired 1/28/2025

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.

Directors: Jesse Warn
Watch Now:AmazonApple TV
Formal Ties
star
7.50
187 votes

#9 - Formal Ties

Season 2 - Episode 4 - Aired 10/29/2024

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 ensonced for diplomatic reasons. Their night off quickly turns into a murder investigation.

Directors: Jesse Warn
Writer: Katie Wech
Watch Now:AmazonApple TV
A Kick in the Teeth
star
7.49
207 votes

#10 - A Kick in the Teeth

Season 2 - Episode 2 - Aired 10/15/2024

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.

Watch Now:AmazonApple TV
Another Man's Treasure
star
7.46
166 votes

#11 - Another Man's Treasure

Season 2 - Episode 9 - Aired 1/14/2025

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.

Watch Now:AmazonApple TV
The Wrong Side of Maybe
star
7.38
188 votes

#12 - The Wrong Side of Maybe

Season 2 - Episode 6 - Aired 11/26/2024

Alec's foray into the field of science-based forecasting takes an unexpected turn when a forecaster's statistical model predicts a train disaster. With time running out, Alec must take drastic measures to avert a mass casualty catastrophe.

Directors: Holly Dale
Watch Now:AmazonApple TV
Lost Souls
star
7.37
161 votes

#13 - Lost Souls

Season 2 - Episode 8 - Aired 1/7/2025

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.

Watch Now:AmazonApple TV
Stan by Me
star
7.36
173 votes

#14 - Stan by Me

Season 2 - Episode 7 - Aired 12/3/2024

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.

Watch Now:AmazonApple TV
Collateral Damage
star
7.35
217 votes

#15 - Collateral Damage

Season 2 - Episode 1 - Aired 10/8/2024

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.

Directors: John Terlesky
Watch Now:AmazonApple TV