WHEN THE MISSING HAVE RETURNED. When a comet hurtles toward Earth, what the world thinks will be the end of civilization turns into the beginning of an incredible conspiracy. In one instant, 4400 missing people reappear in a flash of light and Homeland Security's new mission is to uncover how and why. Emmy-nominated The 4400 The Complete Series follows the mysterious returnees and the National Threat Assessment Command, the task force assigned to investigate them. Led by NTAC director Dennis Ryland (Peter Coyote), agents Tom Baldwin (Joel Gretsch) and Diana Skouris (Jacqueline McKenzie) delve deeper into the inexplicable event and it's supernatural consequences. As the drama unfolds, some of the returnees begin to exhibit supernatural powers, and the government must determine the source and purpose behind it all. The stellar cast includes Academy Award winner and Golden Globe nominee Mahershala Ali, Patrick Flueger and Billy Campbell. Society, humanity and the metaphysical collide in four seasons of the science fiction hit that turns ordinary life into a phenomenal mystery.