Los 4400 (Temporada 4)

Un total de 4400 personas desaparecidas a lo largo de los últimos cincuenta años reaparecen un día, de repente, todas de golpe. La noticia conmociona a la opinión pública mundial, mientras los agentes del gobierno intentan descubrir qué ha sucedido y qué cambios se han producido en estas personas...

The Wrath of Graham (Episodio 1) 7.4
Guionista: Ira Steven Behr
Fecha de emisión: 2007-06-17
Duración: 42 min
Sinopsis: 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.
Fear Itself (Episodio 2) 7.3
Guionista: Amy Berg
Fecha de emisión: 2007-06-24
Duración: 42 min
Sinopsis: 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.
Audrey Parker's Come and Gone (Episodio 3) 7.9
Guionista: Nick Wauters
Fecha de emisión: 2007-07-01
Duración: 42 min
Sinopsis: 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.
The Truth and Nothing But the Truth (Episodio 4) 7.7
Guionista: Mark Kruger
Fecha de emisión: 2007-07-08
Duración: 42 min
Sinopsis: Diana locates her sister, April, who took promicin and developed an ability that puts her life in jeopardy.
Try The Pie (Episodio 5) 8.0
Guionista: Michael Narducci
Fecha de emisión: 2007-07-15
Duración: 42 min
Sinopsis: 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.
The Marked (Episodio 6) 7.0
Guionista: Craig Sweeny
Fecha de emisión: 2007-07-22
Duración: 42 min
Sinopsis: Jordan wants Shawn to rejoin the movement. Meanwhile, a 4400 with an amazing ability disappears.
Till We Have Built Jerusalem (Episodio 7) 7.3
Guionista: Robert Hewitt Wolfe
Fecha de emisión: 2007-07-29
Duración: 42 min
Sinopsis: Jordan Collier's movement takes a huge step forward when his followers settle in the heart of Seattle.
No Exit (Episodio 8) 7.3
Guionista: Adam Levy
Fecha de emisión: 2007-08-05
Duración: 42 min
Sinopsis: 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.
Daddy's Little Girl (Episodio 9) 7.6
Guionista: Ira Steven Behr
Fecha de emisión: 2007-08-12
Duración: 42 min
Sinopsis: 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.
One of Us (Episodio 10) 7.3
Guionista: Craig Sweeny
Fecha de emisión: 2007-08-19
Duración: 42 min
Sinopsis: Tom has trouble focusing on the hunt for Richard Tyler because of dreams he's having about the future.
Ghost in the Machine (Episodio 11) 7.6
Guionista: Frederick Rappaport
Fecha de emisión: 2007-08-26
Duración: 42 min
Sinopsis: 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.
Tiny Machines (Episodio 12) 7.2
Guionista: Ira Steven Behr
Fecha de emisión: 2007-09-09
Duración: 42 min
Sinopsis: 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.
The Great Leap Forward (Episodio 13) 7.7
Guionista: Ira Steven Behr
Fecha de emisión: 2007-09-16
Duración: 42 min
Sinopsis: 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.