Relations between the U.S. and Russia are strained when Russian military leaders claim that the U.S. government has been compromised by the Goa’uld.

When a new copy of Doral, a Cylon who had been previously exposed while serving as the Galactica’s public-relations officer, sneaks aboard and blows himself up, killing three people, Commander Adama and President Roslin must finally make public the terrifying secret known only to a select few: Cylons now look like humans.

Jack and Audrey hide out with an embittered Tony as Audrey makes a positive ID of the man from the kidnapping.

Marianne successfully diverts suspicion from herself, leading Driscoll to torture the wrong person for information.

Behrooz takes Dina to a hospital for medical attention, but the doctor becomes suspicious of her gunshot wound and phones the police.

Nearly a third of Atlantis’s residents are infected with a deadly virus that causes hallucinations and death, forcing a lockdown of the city.

SG-1 comes to the aid of a world about to be invaded by the Goa’uld, only to discover that the local king is Earth’s Harry Maybourne.

When Lt. Kara Thrace goes missing in action after encountering a Cylon patrol while on a training mission, Commander Adama feels responsible — especially in light of her recent admission that she blames herself for his son Zak’s death.

Jack takes Audrey to ID the man she recognized at the compound, but the terrorists get there soon after and pin them down. Jack must call on an old friend to help him escape.

Heller puts Edgar in charge of dealing with the nuclear override, while Driscoll’s daughter takes a turn for the worse.

Dina is wounded when she helps Behrooz flee from Navi. Navi’s boss orders him to kill his wife and son before the day is over.

Sheppard’s team investigates a downed Wraith ship, and find themselves stuck on a planet with a lone Wraith survivor.

After the Prometheus responds to a distress call from a Goa’uld ship, Daniel Jackson finds himself a captive when Earth’s ship is stolen.

The fleet has found a source of water, but who will take on the difficult and dangerous job of mining it from the icy planet? Commander Adama and President Roslin send Lee to the Astral Queen, a prisoner transport ship, with an offer for its inmates: Volunteer for this mission and earn « freedom points ».