The 4400

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. Meanwhile, it's learned that Shawn has been funding the Nova Group for months, unaware of their murderous intent. Meanwhile, Shawn helps Isabelle deal with the guilt of her mother's impending death. Lily dies peacefully.

Stars: Joel Gretsch, Jacqueline McKenzie, Mahershala Ali
Director(s): Vincent Misiano
Writer(s): Ira Steven Behr, Craig Sweeny, René Echevarria

Tom Baldwin shoots T.J. in the head during interrogation....or did he?

Stars: Joel Gretsch, Jacqueline McKenzie, Mahershala Ali
Director(s): Colin Bucksey
Writer(s): Shintaro Shimosawa, James Morris, René Echevarria

Tom and Diana must hunt down a kidnapper who targets 4400 children. Maia's sister, Sarah appears.

Stars: Joel Gretsch, Jacqueline McKenzie, Mahershala Ali
Director(s): Morgan Beggs
Writer(s): Bruce Miller, Scott Peters, René Echevarria

Tom and Diana track down the 4400 children kidnapper.

Stars: Joel Gretsch, Jacqueline McKenzie, Mahershala Ali
Director(s): Scott Peters
Writer(s): Scott Peters, René Echevarria, Darcy Meyers

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.

Stars: Joel Gretsch, Jacqueline McKenzie, Mahershala Ali
Director(s): Aaron Lipstadt
Writer(s): Scott Peters, René Echevarria, Shintaro Shimosawa

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.

Stars: Joel Gretsch, Jacqueline McKenzie, Mahershala Ali
Director(s): Nick Copus
Writer(s): Scott Peters, René Echevarria, Ira Steven Behr

Tom and Diana are drugged by a 4400 and are forced to face some unresolved issues from their past. Isabelle decides that Shawn should marry her.

Stars: Joel Gretsch, Jacqueline McKenzie, Mahershala Ali
Director(s): Colin Bucksey
Writer(s): Amy Berg, Scott Peters, Andrew Colville

Dr. Burkhoff continues his experiments on himself and forces them on another person and Maia has a nightmare where Diana looks like a monster. A rock star tries to involve Shawn in his health that demands almost all of his time.

Stars: Joel Gretsch, Jacqueline McKenzie, Mahershala Ali
Director(s): Scott Peters
Writer(s): Scott Peters, René Echevarria, Ira Steven Behr

A serial killer aims at people with a certain chromosome and Shawn gets a 4400 wedding cigar.

Stars: Joel Gretsch, Jacqueline McKenzie, Mahershala Ali
Director(s): Allison Liddi-Brown
Writer(s): Scott Peters, René Echevarria, Amy Berg

Just as he's about to be wedded to Isabelle Shawn has seen Jordan Collier very alive and helps NTAC to search for him. April presents her new boyfriend to Diana, but soon after Maia tells Diana about a family enlargement.

Stars: Joel Gretsch, Jacqueline McKenzie, Mahershala Ali
Director(s): Frederick E.O. Toye
Writer(s): Scott Peters, René Echevarria, Ira Steven Behr

The Nova Group escapes from prison so Ryland decides to develop his troops at the fastest and most ruthless possible.

Stars: Joel Gretsch, Jacqueline McKenzie, Mahershala Ali
Director(s): Scott Peters
Writer(s): Scott Peters, René Echevarria, Ira Steven Behr

Jordan Collier's strategy is spread out 4400-abilities to everybody who wants them, and Devon is eager to be the first to try.

Stars: Joel Gretsch, Jacqueline McKenzie, Mahershala Ali
Director(s): Nick Copus
Writer(s): Scott Peters, René Echevarria, Ira Steven Behr