The best episodes of Eureka
Ranked by viewer rating, highs first. Lit marks on the season rail place this list across the run. Vote on a placement to back it or contest it.
- 01
The Astraeus participants make their farewells to their earthbound family and friends. Elsewhere, Carter and Jo investigate the person (or thing) which attacked the presidential convoy and if it is in any way related to the cosmic anomalies threatening Eureka.
- 02
Sheriff Carter and Zoe are the only ones unaffected when Eureka's residents begin to behave strangely, so father and daughter team up to search for the cause.
- 03
Global Dynamics deals with two threats — a visit from Senator Wen and robotic bugs that can consume everything; it's unclear which is the bigger one. Meanwhile, Allison refuses to acknowledge any deficit with which the implants may have left her.
- 04
The doubles steadily take over GD, which means Fargo, Allison and Zane are in a fight for their lives and everyone else's as they try to avoid capture and fix the problem.
- 05
Carter 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.
- 06
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, and Carter is sent in on what may be a one way virtual rescue mission.
- 07
While under the influence of a smart drug, Carter becomes a genius like everyone else in town and starts to change the laws of physics. Unfortunately, his condition soon endangers all of Eureka, including Allison's brother who is in town just to meet his new brother-in-law.
- 08
Carter starts to swap bodies uncontrollably, which puts both his body and his consciousness in awkward situations. Meanwhile, Warren Hughes returns to GD. This time to evaluate Astraeus crew members' reactions to their abductions and any effect to their job performances. But Carter's body swapping jeopardizes jobs, relationships and, ultimately, his own life. Elsewhere, Zane's quest for answers from the matrix reveals disturbing results for both him and Fargo.
- 09
The Department of Justice arrives to investigate Grace, and Henry struggles with his conscience. Holly receives a message that triggers a chain of events. The question is whether it's her actions or Fargo's malfunctioning signature achievement that are causing the scary incidents all over GD and the town.
- 10
Jack Carter accidentally shoots Henry while suffering from short-term memory loss, and the visiting scientist whose wife is Henry's old flame may hold the only clues into that incident and the increasing memory losses occurring both in town and at Global Dynamics just as an important military contract comes due.
- 11
Following an experiment on the artifact, Eureka warps to 2010. However, temporal anomalies begin to cause problems for Eureka, which leads to a shocking revelation.
- 12
The 60th anniversary of Eureka becomes life changing in more ways than one when a marriage proposal is eclipsed by a mysterious transport to a military site and a new face in the crowd.
- 13
Just as Carter and Allison seem to get everything right, people from their pasts appear to complicate things. Elsewhere, GD's new project perks the interest of Beverly Barlowe.
- 14
Lenses that predict security breaches are eagerly embraced by Jo, but not so much by Carter. Although he can't argue their importance after they both see the end of Eureka in one ghastly projected leap forward. Elsewhere, Fargo and Dr. Marten screen the hundreds of scientists who responded to Fargo's announcement of 20 open positions on the Astraeus Mission.
- 15
When Zoe comes home for a visit, Jo faces an angry woman who doesn't accept her fumbling explanations about Zane. This all fades to background noise, however, when they find everyone in Eureka unconscious and must find a way to work together so they can revive the town and beat Beverly before she gets hold of valuable data.
- 16
When the ship with the Astraeus crew returns to earth, its occupants discover that four years have elapsed and time isn't the only thing that has changed.
- 17
It's disaster drill day at GD and everyone must participate in order to see how well they would do in a disaster. Unfortunately the computer conducting the drill makes the simulation a reality. Elsewhere, Fargo undergoes risky interfaces with the matrix to confirm Zane's findings.
- 18
Carter and the other citizens of Eureka attend the funeral of Susan and Walter Perkins. Much to their surprise, Susan makes a return to Eureka as a woman who is very much alive!
- 19
A wave of wholesale looting hits Eureka as the signal draws closer, and when the missing objects turn up in a field as part of five towers built by the town's sleep-building teenagers it becomes a race against time to find the cause. Meanwhile, Fargo breaks up with his car causing the AI to seek revenge after she's sold to Haberman.
- 20
After the D.E.D. device disappears, Carter, Jo, Fargo and Allison find themselves in a déjà vu situation as their investigation puts Trevor Grant right at the top of the suspect list. The proverbial noose around his neck only tightens when they discover evidence that connects him to Beverly Barlowe, and her motive will put at risk everything they have struggled to achieve.
- 21
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.
- 22
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.
- 23
The Department of Defense insists on installing new security and removing all Astraeus artifacts, but Fargo resists because he believes Holly is alive in the matrix. Elsewhere, Henry recruits Carter for a brain experiment.
- 24
After a strange accident sidelines Eureka's sheriff, U.S. Marshal Jack Carter takes over the investigation into the mysterious phenomenon that led to the death of a resident. Carter learns about the secret purpose of the town while trying to re-establish a connection with his angry and bitter daughter, Zoe.
- 25
Spencer is apparently abducted by aliens and then returned to Earth the next day inside a crop circle. Also, the town is visited by Congressman Arnold Faraday, whose committee is responsible for Eureka's government funding.
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