Tom and Diana track down a man to a museum, and during the chase, Tom finds a mysterious lab that only he can see. Later at the office, Tom finds that all his 4400 case files are gone, and no one has ever heard of the 4400.
The Daedalus arrives to defend Atlantis from the Wraith onslaught, but it may not be enough when the team discovers that an even larger armada is on the way.
An Air Force pilot attempts to reassemble SG-1 after they have gone their separate ways. An old « friend » arrives on Earth asking for Daniel’s help in finding an ancient treasure — and she won’t take no for an answer.
With Adama out of action, Colonel Tigh takes his position as commander of the Galactica. Boomer is in jail, and the cat’s out of the bag – she’s a Cylon.
Tommy asks his cousin for help in understanding the bizarre visions he’s been having. The crew tries to help Laura understand the essence of male comaraderie.
Maia sees a vision of Jordan Collier’s death. Kyle’s frightening blackouts are disrupting Tom’s personal life. Diana is asked to hand over Maia’s diary to NTAC.
Tommy’s fate in the firehouse depends on vote by the crew. Tommy reunites with his dad. Franco and Laura’s relationship grows.
In an effort to get more time off to search for his wife and kids, Tommy joins the new firehouse’s Barbershop Quartet. Meanwhile back at the old station, Lou and Chief Reilly conspire to get Tommy back, but the rest of the crew has grown fond of his replacement.
A school teacher terrifies parents with her supernatural ability to inspire artistic students. Meanwhile, Richard and Lily are confronted by police, and Jordan warns Shawn not to overuse his healing gift.
In the opener to the second season, troubled Tommy Gavin is having a difficult time adjusting to life at his new uneventful firehouse after the volatile split with his old crew. On top of this he is still looking for his missing wife who has kidnapped his three children and he has to come to terms with the fact that his dead cousin’s wife is pregnant with his baby. His frustrations come to a head and he has a meltdown with a street vendor selling 9/11 memorabilia.