Season 5

01 Lost Episode 116th April 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. 02 The Real Thing Episode 223rd April 2012 The town huddles in a last attempt to locate the vanished Astraeus before it's too late! 03 Force Quit Episode 330th April 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. 04 Friendly Fire Episode 47th May 2012 When a smart fire experiment gets out of control, Carter and team discover that the Astraeus victims may be the cause. 05 Jack of All Trades Episode 514th May 2012 The crew moves forward after an ordeal and Warren's visit adds to the pressure. 06 Worst Case Scenario Episode 621st May 2012 Henry conducts a preparedness drill that winds up a disaster and Fargo faces a hard reality. 07 Ex Machina Episode 74th June 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. 08 In Too Deep Episode 811th June 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. 09 Smarter Carter Episode 918th June 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. 10 The Honeymooners Episode 1025th June 2012 Jack and Allison's perfect honeymoon is interrupted when sabotage is discovered in Eureka. Elsewhere, Holly faces another hurdle to remain intact. 11 Mirror, Mirror Episode 112nd July 2012 Eureka is cut off from the world by a malfunctioning experiment that threatens to eradicate the town's populace. 12 Double Take Episode 129th July 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. 13 Just Another Day... Episode 1316th July 2012 Wormholes randomly materialize around Eureka as the Department of Defense is set to shut the town.