The sleepy Pacific Northwest town of Eureka is hiding a mysterious secret. The government has been relocating the world’s geniuses and their families to this rustic town for years where innovation and chaos have lived hand in hand. U.S. Marshal Jack Carter stumbles upon this odd town after wrecking his car and becoming stranded there. When the denizens of the town unleash an unknown scientific creation, Carter jumps in to try to restore order and consequently learns of one of the country’s best kept secrets.
Table of Contents
#1 – Just Another Day
Season 5 – Episode 13
In the series finale, wormholes randomly materialize around Eureka as the Department of Defense is set to shut the town.
The episode was rated from 555 votes.
#2 – One Giant Leap…
Season 4 – Episode 20
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.
The episode was rated from 478 votes.
#3 – The Real Thing
Season 5 – Episode 2
Carter and Andy are jailed for trying to steal a piece of equipment to complete a device that Kevin has assembled to search for the Astraeus crew. Meanwhile, Holly comes up with a dangerous theory.
The episode was rated from 528 votes.
#4 – Lost
Season 5 – Episode 1
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 episode was rated from 572 votes.
#5 – Force Quit
Season 5 – Episode 3
Carter and Jo continue their search for the missing Astraeus crew. A surprising source confirms the new theory of the disaster, and offers to help them rescue the crew. Meanwhile, back at the lab, lives are at risk as more of the crew comes closer to the truth of their situation.
The episode was rated from 535 votes.

#6 – Jack of All Trades
Season 5 – Episode 5
Jack starts to swap bodies uncontrollably, which puts both his body and his consciousness in awkward situations. Meanwhile, Warren Hughes returns to GD to evaluate Astraeus crew members’ reactions to their abductions. Elsewhere, Zane’s quest for answers from the Matrix reveals disturbing results for both him and Fargo.
The episode was rated from 533 votes.
#7 – Lift Off
Season 4 – Episode 11
Zane pesters Jo for details she does not want to reveal. Carter problem-solves at Andy and S.A.R.A.H.’s wedding. Elsewhere, Zane’s actions make him and Fargo unexpectedly airborne.
The episode was rated from 488 votes.
#8 – Founder’s Day
Season 4 – Episode 1
Dr. Grant, a former resident of the town, causes serious alarm with his unexpected return. His romantic interest in Allison Blake also causes significant friction with Sheriff Jack Carter.
The episode was rated from 476 votes.
#9 – Up in the Air
Season 4 – Episode 14
Jack deals with a bank robbery which may relate to the sudden gravity issues besetting the citizens of Eureka. Meanwhile, Fargo’s rivalry with Isaac Parrish is boosted when he learns Holly and Parrish went on a date.
The episode was rated from 477 votes.
#10 – I Do Over
Season 3 – Episode 4
On Allison and Stark’s wedding day, Sheriff Carter finds himself stuck in a time loop, causing him to experience the same lousy day over and over again. Meanwhile, Sheriff Carter’s sister, Lexi visits Eureka.
The episode was rated from 460 votes.