Even though Kevin has evidenced 23 personalities to his trusted psychiatrist, Dr. Fletcher, there remains one still submerged who is set to materialize and dominate all the others. Compelled to abduct three teenage girls led by the willful, observant Casey, Kevin reaches a war for survival among all of those contained within him, as well as everyone around him, as the walls between his compartments shatter apart.--

A go-go dancer with multiple personalities struggles to remain her true self.

John Skillpa, a quiet bank clerk living in tiny Peacock, Nebraska, prefers to live an invisible life. Then, in a moment, everything changes. A train caboose runs off its tracks and crashes into John's backyard and destroys more than the weathered planks of his wood fence. When neighbors descend on the scene, they discover John's other personality, Emma, for the first time and mistakenly believe her to be John's wife. John is launched into the spotlight...

Nick Twisp is a pleasant teen who has trailer trash parents but likes the finer things in life. While on a family vacation, Nick meets and falls desperately in love with the beautiful, free-spirited Sheeni Saunders. But when circumstances continue to force them apart, Nick develops a rebellious alter ego who will stop at nothing to be with Sheeni.

Troubled college freshman Luke suffers a violent family trauma and resurrects his childhood imaginary friend Daniel to help him cope. Charismatic and full of manic energy, Daniel helps Luke to achieve his dreams, before pushing him to the very edge of sanity and into a desperate struggle for control of his mind and his soul.

Set in a future world where America has lost the war on drugs, an L.A. undercover agents change their faces along with their identities. One officer's liberal ingestion of the drug "Substance D" causes him to develop a split personality, a notorious drug dealer. Along with his superior officers, the police set up an elaborate scheme to catch his drug dealer alter-ego and tear down his operation.

A doctor experiments in order to turn himself into a fiend.

Season two starts with a bang. As Tara decides to move on from her past, a sudden neighborhood incident opens the door to her family's shocking secrets. Her alters, some returning and some new, help unravel the mysteries while simultaneously infusing their own chaos into the mix. Meanwhile, the rest of Tara's family explore their own identities as Max hits a boiling point, Marshall questions his sexuality, Kate takes on an online fantasy persona,...

A landmark, classic drama depicting the extraordinary real life of a young woman suffering from multiple personality disorder. Includes the full 3-hour broadcast version (aired over two nights), along with over an hour of new exclusive special features.

To improve his social life, a nerdish professor drinks a potion that temporarily turns him into the handsome, but obnoxious, Buddy Love.