
The 4400 — Season 4
Season four continues the incredible story of the 4400. Old adversaries become new allies, and family ties are strained to the breaking point in the battle over promicin. Can the 4400 lead mankind int
About this season
Season four continues the incredible story of the 4400. Old adversaries become new allies, and family ties are strained to the breaking point in the battle over promicin. Can the 4400 lead mankind into a new world, or will the forces working against them spell the end for their kind?
Episodes (13)

1. The Wrath of Graham
7.4Aired 17 June 2007 • 42 min
A high school student develops an ability after injecting promicin. Tom visits Isabelle in jail, while Diana searches for her missing sister. Following the advice of a young woman, named Cassie, Kyle is able to wake Shawn from his coma. Jordan Collier's conscience gets to him. Meanwhile, NTAC gets a new director.

2. Fear Itself
7.4Aired 24 June 2007 • 42 min
Tom and Diana search for someone who has the ability to make people's worst fears come true. Danny seeks Shawn's help to find a promicin shot. Meanwhile, Cassie leads Kyle to a book that contains a prophecy about Jordan Collier.

3. Audrey Parker's Come and Gone
7.9Aired 1 July 2007 • 42 min
Audrey Parker, an elderly woman, takes promicin and develops the ability to astral project. Meanwhile, Shawn decides to start publicly healing people again despite threats from the government to shut him down. And Ben and Maia return to Seattle to visit Diana.

4. The Truth and Nothing But the Truth
7.8Aired 8 July 2007 • 42 min
Diana locates her sister, April, who took promicin and developed an ability that puts her life in jeopardy.

5. Try The Pie
8.0Aired 15 July 2007 • 42 min
Tom tracks Jordan to a small town, where he meets a woman who can relieve people's stress by talking to them. Meanwhile, Marco and Diana have a nice talk. Maia's visions are giving her nightmares.

6. The Marked
7.2Aired 22 July 2007 • 42 min
Jordan wants Shawn to rejoin the movement. Meanwhile, a 4400 with an amazing ability disappears.

7. Till We Have Built Jerusalem
7.4Aired 29 July 2007 • 42 min
Jordan Collier's movement takes a huge step forward when his followers settle in the heart of Seattle.

8. No Exit
7.4Aired 5 August 2007 • 42 min
Tom, Diana, Jordan, Shawn, Kyle, Isabelle, Maia, Meghan, Marco, PJ and Brady all wake up inside NTAC without any memory of how they got there.

9. Daddy's Little Girl
7.6Aired 12 August 2007 • 42 min
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.

10. One of Us
7.4Aired 19 August 2007 • 42 min
Tom has trouble focusing on the hunt for Richard Tyler because of dreams he's having about the future.

11. Ghost in the Machine
7.6Aired 26 August 2007 • 42 min
Tom and Diana must race to find the source of a computer virus that could bring down Ubient software, one of the world's largest software companies that is run by suspected member of the marked, Drew Imroth. Meanwhile, Maia visits Promise City where she receives an unexpected birthday surprise: a visit from her birth parents.

12. Tiny Machines
7.2Aired 9 September 2007 • 42 min
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.

13. The Great Leap Forward
7.7Aired 16 September 2007 • 42 min
Paramedics try to resuscitate Susan Farrell. They believe that she took promicin and lost the 50/50 lotto that comes with it. Danny is certain that she did not take the shot. After arriving at the hospital with the paramedics, things get complicated as everyone around Danny start to die. Garrity and another NTAC agent are sent to the hospital to assess the situation.