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Here's How to Watch and Stream NBC's New Crime Drama The Irrational, Starring Jesse L. Martin

In The Irrational, starring Law& Order's Jesse L. Martin, a behavioral scientist helps solve unusual cases.

By Cydney Contreras

There's a new show to add to your watchlist this fall!

How to Watch

Watch The Irrational Mondays at 10/9c on NBC and next day on Peacock.

Jesse L. Martin stars as Alec Mercer in the upcoming show The Irrational, a thrilling series that puts a twist on the typical procedural drama. 

Per the show description, "Alec Mercer is a world-renowned leader in behavioral science who lends his expertise to an array of high-stakes cases involving governments, law enforcement, and corporations with his unique and unexpected approach to understanding human behavior." 

Martin is joined on the series by actors Maahra Hill, Travina Springer, Molly Kunz, and Arash DeMaxi. 

As seen in the official trailer, which you can watch above, as a leading expert in the field of behavioral science, Mercer is asked to help in all sorts of investigations — a woman even asks him to investigate her own murder. 

RELATED: Here's When Jesse L. Martin's New NBC Show Premieres This Fall

"I know people and why they do inexplicable things," Mercer says at one point in the trailer, later dropping a variety of terms related to psychological phenomenon like paradoxical persuasion and attentional blindness. 

His knowledge of why people make the decisions they do — even when it's irrational — aids him as he attempts to solve all kinds of unusual and complex cases. However, despite his understanding of the human mind, he is struggling to solve a crime he has a personal connection to that continues to haunt him.

If this sounds like an enticing series to you, keep reading to learn where to watch...

When does The Irrational premiere? 

Watch The Irrational Wednesday, September 28 at 10/9c on NBC

Alec Mercer (Jesse L. Martin), Phoebe (Molly Kunz), and Owen (Arash Demaxi) in a scene from The Irrational.

Where can I watch new episodes of The Irrational

The Irrational airs live on NBC on Tuesdays at 10/9c and is available to stream the next day on Peacock. 

When are new episodes of The Irrational available on Peacock? 

New episodes of The Irrational are available the day after it airs.