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?
#1 | 06/17/2007The Wrath of Graham3.6/5 (with 6 votes)
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 | 06/24/2007Fear Itself3.6/5 (with 6 votes)
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 | 07/01/2007Audrey Parker's Come and Gone3.8/5 (with 6 votes)
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 | 07/08/2007The Truth and Nothing But the Truth3.7/5 (with 6 votes)
Diana locates her sister, April, who took promicin and developed an ability that puts her life in jeopardy.
#5 | 07/15/2007Try The Pie3.8/5 (with 6 votes)
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 | 07/22/2007The Marked3.8/5 (with 6 votes)
Jordan wants Shawn to rejoin the movement. Meanwhile, a 4400 with an amazing ability disappears.
#7 | 07/29/2007Till We Have Built Jerusalem3.6/5 (with 6 votes)
Jordan Collier's movement takes a huge step forward when his followers settle in the heart of Seattle.
#8 | 08/05/2007No Exit3.8/5 (with 6 votes)
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 | 08/12/2007Daddy's Little Girl3.8/5 (with 6 votes)
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 | 08/19/2007One of Us3.6/5 (with 6 votes)
Tom has trouble focusing on the hunt for Richard Tyler because of dreams he's having about the future.
#11 | 08/26/2007Ghost in the Machine3.6/5 (with 6 votes)
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 | 09/09/2007Tiny Machines3.6/5 (with 6 votes)
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 | 09/16/2007The Great Leap Forward3.8/5 (with 6 votes)
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.