As the Ori invade the Jaffa planet Chulak, Vala and Daniel must deal with their leader: Vala's young daughter, rapidly aged by the Ori to serve their purposes.

The team desperately attempts to stop two Wraith hive ships from reaching Earth. Sheppard must rely on an old foe to rescue McKay and Ronon.

SG-1 investigates a problem off-world and soon finds that they have become victims themselves: they cannot stay awake. Meanwhile, Vala Mal Doran undergoes an evaluation on Earth, hoping to join SG-1.

The Atlantis team must decide the fate of a colony of Wraith they have turned into humans. Dr. Weir must defend her leadership when she is evaluated by the I.O.A.

SG-1 visits Atlantis in the hopes of preventing the Ori from sending more ships through the Supergate, and to find a new lead on Merlin's anti-Ori weapon.

Sheppard's team meets an obnoxious man who is adored by all thanks to a secret that he carries and who has an unexpected affect on them.

When Baal comes to Earth seeking help, Stargate Command must capture his clones and determine which one is the genuine article.

Ronon Dex is captured by the Wraith and returned to his homeworld, where he is haunted by his past as he is forced to once again become their prey.

Teal'c discovers a world where people are being savagely attacked by an elusive creature, leading SG-1 to a stunning discovery about its potential origin.

Weir and the team visit an advanced civilization that split off from the Lanteans thousands of years ago, but discover that they may not have left Atlantis in peace.

Martin Lloyd seeks out SG-1 for assistance when his failed TV show based on the real Stargate program becomes a feature film.

This is the 200th episode.

Elizabeth Weir wakes up in a mental institution, where she is told that the expedition to Atlantis and the Stargate are figments of her imagination.

The Jaffa take the fight to the Ori, using a genocidal weapon on their new worshipers and landing SG-1 in the middle of a war they can't control.

Colonel Sheppard finds himself the prisoner of a Genii commander, along with a desperately hungry Wraith who has been separated from his hive.

Striken with amnesia and on the run, Vala takes a job as a waitress as she tries to piece together who she is and what happened to her.

Rodney McKay is reunited with his estranged sister back on Earth, who has given up a brilliant career as a scientist to raise a family.

Cameron Mitchell must go undercover inside the deadly Lucian Alliance to prevent his teammates from becoming casualties of an Alliance civil war.

Sheppard and Ronon are influenced by a mind-altering device created by the Wraith while on a mission to rescue a lost team.

SG-1 races against Baal in the hunt to find the Sangraal, Merlin's anti-Ori weapon, and comes up against a series of ancient trials.

When the team finds Merlin himself, they must help him complete the Sangraal weapon before Adria and her Ori forces can track them down.

The Atlantis expedition is stunned when a ship full of Ancients returns to reclaim their home, forcing them to return to Earth.

The Atlantis team goes against orders to try and save Atlantis from Replicator control and to rescue General O'Neill and Richard Woolsey, who are trapped in the occupied city.

SG-1 tries to defend a planet from the Ori by hiding its people in another dimension. Vala attempts to convince her husband Tomin of the Ori's true motives.

The inhabitants of Atlantis begin to suffer ill effects when the planet's whale population begins migrating to the island city, bringing an unexpected harbinger of doom.

An experiment gone wrong pulls Samantha Carter into a parallel reality, where she must save Earth from an Ori assault before she will be allowed to return home.

The team finds Lucius Lavin manipulating the people of another hapless planet, using Ancient technology to pose as an invincible hero.

When SG-1 discovers that Daniel Jackson has been turned into a Prior of the Ori, they must determine whether or not his plan to destroy the Ori is genuine.

After an Ancient device gives Rodney superhuman powers, his enhanced brilliance is checked only by his impending death unless he can learn how to ascend.

When the Lucian Alliance puts a bounty on SG-1's heads, Cameron Mitchell finds himself a target while attending his high school reunion.

Sheppard and McKay discover that their competitive video game has been controlling a planet of real people, who now stand on the brink of war.

SG-1 realizes they have stepped through the gate into another planet's museum but are mistaken for a band of zealous rebels who have taken hostages.

The team discovers the last of a civilization in suspended animation, whose survival is at risk when their station is critically damaged.

When a terrorist attack decimates a Jaffa summit Teal'c strikes out on a quest for revenge, believing that the perpetrator is one of his own people.

The team tries to relax during a mandatory day off, until an explosion leaves three people dead and reveals that one scientist is a walking time bomb.

Earth provides sanctuary for Vala's estranged, con artist father after he provides intel about a Jaffa plot to attack the planet.

The team discovers an Ancient drilling station deep beneath the surface of the ocean, only to find that a Wraith queen is still alive there.

SG-1 hatches an elaborate plan to try and capture Adria, using Vala as bait.

The Atlantis team investigates the disappearance of one of their allies, only to find an old enemy engineering a race of powerful monsters.

Trapped on board the Odyssey, the members of SG-1 must live out the rest of their lives together when Carter activates a time dilation field to save the ship from destruction.

An unstoppable energy weapon leaves Atlantis under seige after Earth launches a preemptive attack against the Replicator home world.

SG-1 search for an Ancient artifact called the Ark of Truth to finally defeat the Ori. However, the Ark is in the Ori's galaxy.

(This is a first time reaction - available at the Re-Watch & Movie tier for $10)