The 4400

4400 centers on the return of 4400 people who, previously presumed dead or reported missing, reappear on Earth. Though they have not aged physically, some of them seem to have deeper alterations ranging from superhuman strength to an unexplained healing touch. A government agency is formed to track the 4400 people after one of them commits a murder.

Season 1 - The 4400
11 Jul 2004
"An unusual comet leaves behind 4,400 people who have disappeared over the last fifty years. While authorities are investigating, some of the 4,400 are behaving strangely."
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25 Jul 2004
"Baldwin and Skouris deal with returnee Oliver Knox, involved in a series of murders. Jordan Collier, hotel magnate, puts himself in front as 4400 spokesman."
01 Aug 2004
"Someone has leaked a list of the current locations of all 4400's. When several of the returnees are bombed, Baldwin and Skouris must find out who did it."
08 Aug 2004
"Baldwin's son Kyle has been kidnapped by agent Lytell for interrogation. Just when Tom and Diana are making plans to take him back, Maia has a premonition about Kyle being the answer to everything."
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Season 2 - The 4400
05 Jun 2005
"Kyle tries to visit his cousin Shawn at The 4400 Center but is thrown out. Richard and Lily are desperate to protect their infant daughter, Isabelle from Collier and other maniacs, and a ..."
12 Jun 2005
"A baseball player is overwhelmed by a special 4400 ability. Collier is involved with a weapons' dealer. To Maia's delight Diana's sister visits them. Richard and Lily seek shelter at a ..."
19 Jun 2005
"A salesman's saliva has an extremely slimming effect on people. Lily suspects a new pregnancy as Richard stumbles onto a case of jealousy. So does Collier, and Shawn is disgusted by his ..."
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10 Jul 2005
"Maia has a vision that frightens her and causes the NTAC serious concerns. Heidi visits her mother which makes Isabelle cry in despair. Collier sees Isabelle to get some crucial advice."
17 Jul 2005
"Tom Baldwin wakes up in a parallel or alternate world where he has married a woman two years ago but he has never seen her before. There is no trace of any 4400s from the future with special skills, and Jordan Collier is Governor."
24 Jul 2005
"After living for 8 years in an alternate world that only Tom and Alana remember the world with the 4400 has returned as it was at the second the 8 years started. A 30 year old 4400 woman ..."
31 Jul 2005
"A male 4400 originally from Rwanda repairs bad chromosomes of unborn. Kyle is utterly despaired as he suddenly remembers what he did during his blackout. Richard attends a co-veteran's funeral. Diana makes a hard family decision."
07 Aug 2005
"NTAC is keen to find Jordan Collier's killer as Tom is desperate to find Kyle."
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21 Aug 2005
"The authorities led by Dennis Ryland wants to quarantine every 4400, as several of them are sick with the same as Maia. Hunted by bad conscience Kyle somehow contacts Marsden's girlfriend."
28 Aug 2005
"7 of the 4400 have died and Maia gets worse all the time Out of suspicion and despair Diana threatens Dr. Hudson with a gun. Lily has run away with Isabelle and Richard pleads her to come ..."
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Season 3 - The 4400
11 Jun 2006
"In a broadcast, the Nova Group promises the world a demonstration of their power on October 19. Tom and Diana apprehend Gary, but he refuses to give any information about October 19. ..."
18 Jun 2006
"Tom Baldwin shoots T.J. in the head during interrogation....or did he?"
25 Jun 2006
"Tom and Diana must hunt down a kidnapper who targets 4400 children. Maia's sister, Sarah appears."
02 Jul 2006
"Tom and Diana track down the 4400 children kidnapper."
09 Jul 2006
"Daniel Armand of The Nova Group launches an attack against Shawn causing mental illness. Isabelle seeks retribution. Alana tracks down a drunk driver responsible for the death of her husband and child."
16 Jul 2006
"Tom and Diana pursue the last member of the Nova Group, Gary Navarro but are foiled when he receives a tip off to escape capture. Alana is detained to explore suspected links to Nova Group."
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06 Aug 2006
"A serial killer aims at people with a certain chromosome and Shawn gets a 4400 wedding cigar."
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20 Aug 2006
"The Nova Group escapes from prison, so Hyland decides to develop his troops at the fastest and most ruthless possible."
27 Aug 2006
"Jordan Collier's strategy is spread out 4400-abilities to everybody who wants them, and Devon is eager to be the first to try."
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Season 4 - The 4400
17 Jun 2007
"A high school kid named Graham develops an ability which makes people worship him to the point of sacrificing their lives for him. Tom visits Isabelle in jail, hoping to get information on ..."
24 Jun 2007
"Diana returns from Spain. NTAC tries to identify the person whose ability makes people's worst fears come true. Shawn returns home from the hospital and his brother Danny tells him that ..."
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08 Jul 2007
"Diana catches her sister April, who has survived a promicine shot and gained an ability the full potential of which she fails to grasp - to make anyone answer truthfully to any question ..."
15 Jul 2007
"Now that he knows Kyle is Promicin Positive (\"P+\"), Tom sets out to track him down. His journey leads him to a town that is no longer on the map and the people of which are not ordinary. ..."
22 Jul 2007
"The NTAC nerd squad bring to their Director's attention a 4400, Curtis Peck, who was a shoestring budget film maker and continues to be one, except that his 4400 ability seems to be to ..."
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05 Aug 2007
"A lockdown at NTAC threatens the lives of Tom, Diana, Meghan, Shawn, Kyle, Jordan, Isabelle, Maia, Marco, PJ and Brady when they wakeup inside the building with no recollection of how they got there."
12 Aug 2007
"Tess's schizophrenia gets out of control, and Shawn is asked to lend a hand. Richard Taylor tries to get his daughter back, and he has a surprise for her."
19 Aug 2007
"Richard and Isabelle are pursued by NTAC. Elsewhere, a test is developed that determines if people can be killed by promicin."
26 Aug 2007
"Malfunctioning ATMs lead Agents Baldwin & Skouris to a man who made threats against a large tech firm. The Marked make appearances."
09 Sep 2007
"Marco finds a way to get the old Tom back, but it is dangerous and they don't have a very long time."
16 Sep 2007
"Danny Farrell's newfound ability to spread promicin leads to several hundred deaths, including his mother. With Seattle in chaos, NTAC is forced to accept Promise City's offer of help."