| Plot |
| 4x01 - The Wrath Of Graham: | | Under the leadership of a new director, Meghan Doyle, NTAC faces off against a high school student named Graham Holt who took promicin and developed the ability to make people worship him like a god. Meanwhile, Tom visits Isabelle in prison, hoping she can shed some light on Alana’s disappearance. Kyle meets a mysterious girl named Cassie, who offers him information that helps him wake up Shawn from his coma. Jordan Collier wrestles with his conscience as the death toll from promicin continues to [...] (More) |
| 4x02 - Fear Itself: | | Tom and Diana race to find the person behind an ability that makes people’s phobias come to life. Meanwhile, Kyle’s mysterious new friend, Cassie, leads him to a book that contains a prophecy about Jordan Collier. And Shawn’s brother, Danny, tells Shawn he wants to take promicin and asks for his help in obtaining a shot. |
| 4x03 - Audrey Parker Has Come and Gone: | | An elderly woman develops the ability to astral project unseen by others, but she is stuck in limbo when her body is murdered, and she must find a way to contact Tom and Diana to help catch her killer. Elsewhere, Shawn decides to start healing people. |
| 4x04 - The Truth and Nothing But The Truth: | | Diana finds her sister, whose life is in danger due to promicin. Elsewhere, Shawn considers a run at public office. |
| 4x05 - Try The Pie: | | Tom tracks down Collier, who is living in a small town with his followers. Meanwhile, Maia has a disturbing glimpse of the future. |
| 4x06 - The Marked: | | Collier tries to persuade Shawn to join his movement. Meanwhile, a 4400 who knows the truth behind historic conspiracies goes missing, prompting a search by Tom and Diana. |
| 4x07 - Till We Have Built Our Jerusalem: | | Assassins target Jordan Collier after his movement gains momentum. Meanwhile, Shawn encounters trouble in his run for public office. |
| 4x08 - No Exit: | | A lockdown at NTAC traps everyone, including Collier and his group, forcing an unlikely alliance. |
| 4x09 - Daddy's Little Girl: | | Richard surprises Isabelle when he shows up in Promise City but the happy reunion takes a turn when Richard kidnaps her in hopes to start a new life with his daughter.
Meanwhile, Tess, her schizophrenia out of control, uses her ability to take control of people at a diner, forcing Kevin to call Shawn for help. |
| 4x10 - One Of Us: | | Tom and Diana look for Richard, but Tom is distracted by his dreams about the future. Meanwhile, Collier is threatened by Shawn's test that could determine who would die from a Promicin shot. |
| 4x11 - Ghost In The Machine: | | A computer virus attacks a large software company owned by a suspected member of the Marked. Elsewhere, Maia visits Promise City and receives an unexpected birthday gift. |
| 4x12 - Tiny Machines: | | Meghan and Diana learn how to remove the entity from Tom, but the procedure is dangerous. Meanwhile, Shawn finds help in his attempt to rescue Kevin from Promise City; and Jordan is betrayed by someone close. |
| 4x13 - The Great Leap Forward: | | Season 4 ends with Seattle in chaos and NTAC asking Promise City for help. Meanwhile, Kyle's life is in danger and Jordan attempts to escape from the Marked. |
|