As Young and Camille attempt to resolve the hostage crisis with Kiva, Destiny suffers from power fluctuations and blackouts due to its proximity to a binary pulsar.

Commander Kiva of the Lucian Alliance has managed to board the Destiny and has taken several of the crew hostage.

Rush returns to Earth to find a way to prove Telford is a spy.

Dr. Tamara Johansen tries to track down what is causing the crew to hallucinate.

The crew calls upon a brilliant mind from Earth to help in a crisis -- a quadriplegic scientist who temporarily takes over Wray's body.

Dr. Rush links himself directly to the destiny's computer hoping it will reveal the code needed to control the flight path.

Dr. Nicholas Rush and Chloe suffer nightmares following their ordeal on the alien vessel, and Rush suspects that a tracking device may have been placed on the ship's hull. Later, a splinter group on Destiny executes a coup with life-threatening consequenc

Using a piece of Ancients technology, Colonel Young accidentally ends up on an alien vessel, and then, suddenly, finds himself back on the Destiny. Meanwhile Rush is captured by some aliens and they put him into the tank.

When one of the crew becomes the prime suspect in a crime, the others must determine the individual's guilt.

Lt. Scott and Camille return to Earth via the communication stones to spend time with those they left behind. On the Destiny, the crew explores new sections of the ship, which yields the discovery of a promising Ancient device.

An away team finds a kino beside a Stargate on a jungle world, which contains video footage of the team that was shot prior to their arrival. Then, an illness cripples the team, forcing them to quarantine themselves on the planet.

General O'Neill (Richard Dean Anderson) wants Col. Young to implement a high-risk plan hatched by IOA scientists that could possibly return the Destiny crew to Earth. Elsewhere, Eli and Chloe use the communication stones to visit their loved ones, culmina

The ship's water supply dwindles, prompting Col. Young and Lt. Scott to visit a frozen planet in search of drinkable samples. Meanwhile, the crew attempts to snare an intruder

Dr. Nicholas Rush tries to find out why the ship's power reserves are critically low. Colonel Young orders everyone to limit the power consumption. Eventually everything apart from the life support goes out. However, Destiny reaches a solar system with t

Lt. Scott and Dr. Rush travel to a desert planet to locate a mineral essential to Destiny's life support system.

In the two part premiere, a research team is forced to evacuate their secret base, finding themselves on board an Ancient vessel that is millions of years old -- with failing life support and no way to gate home.