E1 - Lost

Aired: April 16, 2012

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.

E2 - The Real Thing

Aired: April 23, 2012

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

E3 - Force Quit

Aired: April 30, 2012

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.

E4 - Friendly Fire

Aired: May 07, 2012

When a smart fire experiment gets out of control, Carter and team discover that the Astraeus victims may be the cause.

E5 - Jack of All Trades

Aired: May 14, 2012

The crew moves forward after an ordeal and Warren's visit adds to the pressure.

E6 - Worst Case Scenario

Aired: May 21, 2012

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

E7 - Ex Machina

Aired: June 04, 2012

Fargo is convinced that Holly is still inside of the Matrix computer, but the DOD is determined to wipe its hard drive clean -- losing Dr. Marten forever.

E8 - In Too Deep

Aired: June 11, 2012

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

E9 - Smarter Carter

Aired: June 18, 2012

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

E10 - The Honeymooners

Aired: June 25, 2012

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

E11 - Mirror, Mirror

Aired: July 02, 2012

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

E12 - Double Take

Aired: July 09, 2012

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.

E13 - Just Another Day...

Aired: July 16, 2012

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