David Hewlett

Brenda and her squad are temporarily deputized into the FBI when a missing persons case turns into a full-blown murder investigation involving drug trafficking at gay dance parties. The case gives Brenda and Fritz the chance to work together again, but Brenda's investigative tactics don't exactly fit FBI protocol.

The SG-1 team travels to Atlantis to attempt to establish a stable wormhole to the Ori supergate which will prevent the Ori from sending more ships to Earth's galaxy. In order to do so Carter (Amanda Tapping) and McKay (David Hewlett) must detonate precisely calibrated nuclear warheads to cause a wormhole to jump from a nearby spacegate to the supergate without destroying their ship the Odyssey in the process.Meanwhile Daniel (Michael Shanks) and Vala (Claudia Black) take advantage of their time at Atlantis to research the Atlantis database for clues to the location of Merlin's weapon. During their research they are met by Morgan Le Fay an ascended Ancient posing as the Lantian holographic interface who gives them the names of two planets where the device might be located. But can she be trusted? Weir (Tori Higginson) detects a Wraith ship headed towards the Odyssey and is unable to relay the message due to the interference of the nearby black hole. And the Odyssey detects an Ori ship headed toward the supergate. Will the team be able to complete their mission before they are attacked?

Mike tries to stay safe without violating Danbury’s unwritten rules. Jessica and Harvey try to land a whale. Louis searches for an office tenant. And Rachel goes up against a fellow student.

Working with Merlin's phasing device Carter (Amanda Tapping) is mistakenly pulled into a parallel reality where her double is attempting to draw energy from other such realities. With their Carter killed in the experiment the real Carter must step in to help a desperate Stargate Program from stopping a would-be attack from the Ori. Carter is questioned and ultimately recruited to help the efforts by the head of Stargate Command General Hammond (Don Davis). Successfully able to move the entire planet out of phase using MerlinΓÇÖs device moments before an Ori attack Carter is hailed a hero by President Landry (Beau Bridges). The President who has had the country under martial law since the chaos that emerged when the public was made aware of the Stargate tries to use Carter's cache as an American-hero to not only convince the public they are again safe but to secure his presidency. Carter soon realizes that the president has no intention of allowing her to try to recreate the experiment that brought her there in hopes of returning home again. She is forced to request the help of her ex-husband a multi-millionaire dot comer named Rodney McKay (David Hewlett) and the advice of a paraplegic ex-302 fighter pilot Cameron Mitchell (Ben Browder) in a hope to find a way back to her proper reality.

Savannah is furious with Marti for keeping a secret about Dan from her so she goes home for a couple days to cool off and reconnect with her family. Meanwhile, Marti is conflicted over her feelings for Dan and Lewis, and focuses on Travis’ case to keep her mind occupied. Vanessa finds out Bill Marsh took away the Hellcats’ gym and turns to Red for help.