Episode 3921

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.

When a mysterious space vessel crash-lands on Earth, a young woman and a ragtag group of tactical soldiers make a fateful discovery that puts them face-to-face with the planet's greatest threat.

After achieving success in her younger years, the brilliant septuagenarian Madeline Matlock rejoins the work force at a prestigious law firm where she uses her unassuming demeanor and wily tactics to win cases and expose corruption from within.

Murders and mojitos. Fresh off the plane, a British detective joins the police force on the luscious Caribbean island of Saint Marie.

Smart, sarcastic and a little dead inside, Wednesday Addams investigates a murder spree while making new friends — and foes — at Nevermore Academy.