Watch The 4400 Season 4 Full Episodes

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...

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...

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...

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...

Richard returns from hiding to abduct Isabelle from Promise City, hoping to "start over." Meanwhile, Tess, her schizophrenia out of control, uses...

P.J. took the Promicin shot 2 months ago. Now he has an ability...

When Jordan Collier and his followers seize control of most of Seattle, the government sends a Delta Force of enhanced soldiers to capture Collier...

Jordan wants Shawn to rejoin the movement. Meanwhile, a 4400 with an amazing ability disappears.

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...

April's new ability takes her in a danger. Meanwhile, Shawn is approached to run for public office. Kyle helps Isabelle.

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...

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....

A high school student develops an ability after injecting promicin. Tom visits Isabelle in jail, while Diana searches for her missing sister....

Directors Cut: Paramedics try to resuscitate Susan Farrell. They believe that she took promicin and lost the 50/50 lotto that comes with it. Danny is...