Seasons & episodes
S4 · E17Clash of the Titans 2011-08-22 · 44 min
The Eureka atmosphere becomes toxic when Department of Defense auditor comes to assess the team's relationships.
S4 · E18This One Time at Space Camp... 2011-08-29 · 44 min
The Astraeus candidates go through their final interviews while Carter and Allison appeal their relationship audit.
S4 · E19One Small Step... 2011-09-12 · 44 min
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
S4 · E20One Giant Leap... 2011-09-19 · 44 min
In the season finale - It's chaos in Eureka when an energy beam rips through main street but the Astraeus launch must go on...with or without Eureka intact.
S4 · E21Do You See What I See 2011-12-06 · 43 min
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 kaleidoscopic wave of color crashes over Eureka, leaving the entire town and its inhabitants animated.
S5 · E1Lost 2012-04-16 · 43 min
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.
S5 · E2The Real Thing 2012-04-23 · 43 min
The town huddles in a last attempt to locate the vanished Astraeus before it's too late!
S5 · E3Force Quit 2012-04-30 · 43 min
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.
S5 · E4Friendly Fire 2012-05-07 · 43 min
When a smart fire experiment gets out of control, Carter and team discover that the Astraeus victims may be the cause.
S5 · E5Jack of All Trades 2012-05-14 · 43 min
The crew moves forward after an ordeal and Warren's visit adds to the pressure.
S5 · E6Worst Case Scenario 2012-05-21 · 43 min
Henry conducts a preparedness drill that winds up a disaster and Fargo faces a hard reality.
S5 · E7Ex Machina 2012-06-04 · 43 min
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.
S5 · E8In Too Deep 2012-06-11 · 43 min
Carter's romantic surprise for Allison turns deadly when they're trapped in a sinking marine lab with time and oxygen quickly running out.
S5 · E9Smarter Carter 2012-06-18 · 43 min
When Allison's genius older brother comes to meet her new husband, Carter feels the pressure of not being smart enough to measure up.
S5 · E10The Honeymooners 2012-06-25 · 43 min
Jack and Allison's perfect honeymoon is interrupted when sabotage is discovered in Eureka. Elsewhere, Holly faces another hurdle to remain intact.
S5 · E11Mirror, Mirror 2012-07-02 · 43 min
Eureka is cut off from the world by a malfunctioning experiment that threatens to eradicate the town's populace.
S5 · E12Double Take 2012-07-09 · 43 min
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.
S5 · E13Just Another Day... 2012-07-16 · 43 min
Wormholes randomly materialize around Eureka as the Department of Defense is set to shut the town.