Apollo assists in the search for a missing Raptor team as the new commander of the Pegasus grows increasingly unstable.

The people of Eureka are being kidnapped and replaced by body-doubles one by one unless Allison, Fargo and Zane can figure out how to avoid capture and save their town.

Wormholes randomly materialize around Eureka as the Department of Defense is set to shut the town.

Eureka is cut off from the world by a malfunctioning experiment that threatens to eradicate the town’s populace.

Jack and Allison’s perfect honeymoon is interrupted when sabotage is discovered in Eureka. Elsewhere, Holly faces another hurdle to remain intact.

When Allison’s genius older brother comes to meet her new husband, Carter feels the pressure of not being smart enough to measure up.

Carter’s romantic surprise for Allison turns deadly when they’re trapped in a sinking marine lab with time and oxygen quickly running out.

Henry conducts a preparedness drill that winds up a disaster and Fargo faces a hard reality.

The town huddles in a last attempt to locate the vanished Astraeus before it’s too late!

Beverly Barlowe resurfaces in Eureka seeking Carter’s help to free the Astraeus crew, and the rescue plan lands Carter in the crew’s virtual world.

The Astraeus crew returns to Eureka four years later and must adapt to a myriad of changes, including a more oppressive version of Deputy Andy.

The quaint town of geniuses is transformed into animated versions of themselves. Sheriff Carter and Allison Blake are secretly planning the perfect holiday surprise for their kids. But a mysterious…

When an explosion in the Astraeus lab accidentally sends Andy to Titan the team must devise a plan to save him before it’s too late! Eureka

Eureka’s citizens face the return of people from the past; Global Dynamics tests a new device.

When Grant and Carter become stranded, they must race back in time to save Eureka.

When Sara gives Andy a (as Zane calls it ) an EMO download to give him emotion, she inadvertently affects all Level 6 AIs. Including Tiny. She escapes while being…

It’s space week in Eureka, and everyone is gearing up for the rocket race – except for Carter. General Mansfield is in town for the big Race to the Moon,…

“Todd” informs the Atlantis expedition that a rogue group of Wraith has acquired several Zero Point Modules to power a Super-hive, and wants it destroyed. However, after the Daedalus is…

After a Wraith Hive Ship shows up over Atlantis transmitting a distress call, Lt. Colonel John Sheppard’s team discovers that its crew has been stricken with a disease they helped…

Michael Kenmore has infiltrated Atlantis with an army of his Hybrids, and closes off Stargate Operations and the surrounded levels to prevent anyone from taking it back. His plan; take…

Lt. Colonel John Sheppard’s team is invited by the Coalition of Planets in order to form an alliance. However, the team is misled and is faced to stand trial, for…

The Atlantis expedition mysteriously finds the Daedalus, abandoned and drifting in space. When Lt. Colonel John Sheppard’s team come to investigate, the ship mysteriously disappears. They soon discover that the…

Ronon Dex is captured by Tyre, who wants to hand him to the Wraith in order to maintain his role in their circle. However, when the deal turns sour, and…

Lt. Colonel John Sheppard and his team are trapped under the rubble of Michael’s facility in order to rescue Teyla Emmagan. As Colonel Samantha Carter launches a team to rescue…

Sheppard returns to Atlantis after a mission and finds the city abandoned, all systems dead — and instead of ocean, sand dunes as far as the eye can see.

As a mysterious new illness sweeps through the Pegasus Galaxy, Teyla is convinced by a vision that the father of her child is trying to communicate with her.

An automated lockdown traps Atlantis personnel in various parts of the city, each of them hoping the others will come to their rescue.

The team finds their former Wraith ally’s hive ship drifting in space, which leads them to a secret project that could turn the tide of a civil war.

A mysterious drone crashes into Atlantis, indicating that the Replicators may have found the city. But when Elizabeth Weir appears, the team realizes that the probe is just a part…

When a virus causes amnesia in everyone except Teyla and Ronon, the Atlantis team must work together to find a cure before their memories fade entirely.

Colonel Sheppard is captured by the inhabitants of a generational ship and their beautiful leader, who wish to use his ability to use Ancient technology for their own ends.

During an off-world mission Colonel Sheppard unknowingly becomes host to an alien entity, which infects others in Atlantis and afflicts them with terrifying nightmares.

An unstoppable energy weapon leaves Atlantis under seige after Earth launches a preemptive attack against a very powerful enemy’s homeworld.

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.

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

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.

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.

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.

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.

The team discovers two pods that contain the minds of alien beings, who take control of Weir and Sheppard’s bodies to continue their personal war.