Eureka backdrop
Sci-Fi & Fantasy•Comedy•Drama

The Best Episodes of Eureka

Every episode of Eureka ranked from best to worst. Let's dive into the Best Episodes of Eureka!

Binge this in 2d 8h•Peaking at 8.8/10

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

Airs on
Syfy
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons5

All12345

Episode Rankings

  1. #1 Fan Favorite
    Click to reveal
    Eureka Season 3 Episode 4 - I Do Over
    8.8/10(764 votes)

    S3:E4

    It's Allison and Stark's wedding day and Carter finds himself reliving it over and over. Meanwhile, Carter's sister, Lexi, visits the town.

    Director:Matt Earl Beesley
    Writer:Thania St. John

    Be the first to start the conversation for this episode

  2. Eureka Season 4 Episode 1 - Founder's Day
    8.8/10(734 votes)

    S4:E1

    It's Founder's Day in Eureka and everyone is in the spirit of the celebration until Jack, Allison, Henry, Jo and Fargo are transported back to 1947 where they meet some familiar faces along the way. Will they be able to get back to 2010 or will they be stuck forever in 1947 where Eureka is not a town, but an Army base.

    Director:Matthew Hastings
    Writer:Jaime Paglia

    Be the first to start the conversation for this episode

  3. Eureka Season 5 Episode 13 - Just Another Day...
    8.8/10(684 votes)

    S5:E13

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

    Director:Matthew Hastings
    Writers:Bruce Miller, Jaime Paglia

    Be the first to start the conversation for this episode

  4. Eureka Season 5 Episode 5 - Jack of All Trades
    8.6/10(559 votes)

    S5:E5

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  5. Eureka Season 1 Episode 12 - Once in a Lifetime
    8.4/10(762 votes)

    S1:E12

    Ambition trumps common sense when Stark is given a chance to try out the Top-secret artifact. Once it's tested, Eureka warps into the future and ends up in 2010, where the town is different.

    Director:Michael Lange
    Writers:Jaime Paglia, Andrew Cosby, Johanna Stokes

    Be the first to start the conversation for this episode

  6. Eureka Season 4 Episode 20 - One Giant Leap...
    8.4/10(513 votes)

    S4:E20

    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.

    Director:Matthew Hastings
    Writers:Jaime Paglia, Andrew Cosby

    Be the first to start the conversation for this episode

    7. Trending NowTRENDING NOW

    The 20 WORST Episodes of Eureka

    READ
  7. Eureka Season 5 Episode 1 - Lost
    8.4/10(640 votes)

    S5:E1

    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.

    Director:Matthew Hastings
    Writer:Jaime Paglia

    Be the first to start the conversation for this episode

  8. Eureka Season 5 Episode 3 - Force Quit
    8.4/10(489 votes)

    S5:E3

    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.

    Director:Mike Rohl
    Writers:Terri Hughes, Ron Milbauer

    Be the first to start the conversation for this episode

  9. Eureka Season 4 Episode 8 - The Ex-Files
    8.3/10(554 votes)

    S4:E8

    Eureka's citizens face the return of people from the past; Global Dynamics tests a new device.

    Director:Chris Fisher
    Writer:Amy Berg

    Be the first to start the conversation for this episode

  10. Eureka Season 4 Episode 9 - I'll Be Seeing You
    8.3/10(522 votes)

    S4:E9

    When Grant and Carter become stranded, they must race back in time to save Eureka.

    Director:Michael Robison
    Writer:Jaime Paglia

    Be the first to start the conversation for this episode

  11. Eureka Season 5 Episode 2 - The Real Thing
    8.3/10(510 votes)

    S5:E2

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

    Director:Michael Robison
    Writer:Bruce Miller

    Be the first to start the conversation for this episode

  12. Eureka Season 3 Episode 9 - Welcome Back Carter
    8.2/10(615 votes)

    S3:E9

    Carter interviews for a job with the Department of Homeland Security, after being terminated as the sheriff. Deputy Lupo decides to resign after discovering that a very personable robot is the new sheriff.

    Director:Matthew Diamond
    Writer:Bruce Miller

    Be the first to start the conversation for this episode

  13. Eureka Season 4 Episode 2 - A New World
    8.2/10(561 votes)

    S4:E2

    When the 5 get back to their time, things are changed everywhere. As Henry tries to fix the machine that transported them in the first place, Dr. Grant is making himself as comfortable as he can. Jack is still trying to wrap his mind around the fact that he asked Tess something that she says yes to and the fact that the group's positions changed. As one thing leads to another, a twist happens and things get a little dicey.

    Director:Michael Robinson
    Writer:Bruce Miller

    Be the first to start the conversation for this episode

  14. Eureka Season 1 Episode 11 - H.O.U.S.E. Rules
    8.1/10(730 votes)

    S1:E11

    A bad day in the lab forces Carter to rethink his decision to live in Eureka, prompting an intervention from S.A.R.A.H. (the self Activated Residential Automated Habitat.

    Director:Jeff Woolnough
    Writer:Harry Victor

    Be the first to start the conversation for this episode

  15. Eureka Season 2 Episode 6 - Noche de Sueños
    8.1/10(649 votes)

    S2:E6

    One of the Global Dynamics tanker trucks spills, potentially causing a change in everyone's sleep habits... In the course of the episode, we come to learn that Global Dynamics has developed a technology that enables them to distill six months of the town waste and by-products into one truck, an amount that would normally fill Lake Erie.

    Director:Eric Laneuville
    Writer:Jaime Paglia

    Be the first to start the conversation for this episode

  16. Eureka Season 3 Episode 8 - From Fear to Eternity
    8.1/10(563 votes)

    S3:E8

    Trust issues are produced by a scientific find, along with sinister results. Zoe's life is in jeopardy, and Eva Thorne knows what has caused the predicament.

    Director:Eric Laneuville
    Writer:Thania St. John

    Be the first to start the conversation for this episode

  17. Eureka Season 5 Episode 12 - Double Take
    8.1/10(449 votes)

    S5:E12

    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.

    Director:Matthew Hastings
    Writers:Margaret Dunlap, John Herrera

    Be the first to start the conversation for this episode

  18. Eureka Season 2 Episode 11 - Maneater
    8.0/10(640 votes)

    S2:E11

    Sheriff Jack Carter becomes absolutely irresistible to every woman in Eureka. But if he doesn't get his mojo under control, they might just eat him alive.

    Director:Michael Robison
    Writer:Bruce Miller

    Be the first to start the conversation for this episode

  19. Eureka Season 1 Episode 1 - Pilot
    7.9/10(1338 votes)

    S1:E1

    An accident leads a U.S. Marshal and a teenage girl to a peculiar town populated by scientists and their families where 10-year-old boys are in 11th grade, the local diner doesn't believe in menus, and E=MC² was just the beginning. Just as the Marshal starts to get settled into the swing of things, a local scientist develops a bomb that seems to appear anywhere and eats all the matter around it.

    Director:Peter O'Fallon
    Writers:Jaime Paglia, Andrew Cosby

    Be the first to start the conversation for this episode

  20. Eureka Season 1 Episode 6 - Dr. Nobel
    7.9/10(795 votes)

    S1:E6

    A sleeping weapons system is accidentally awakened by Fargo and Spencer. Henry tries to avert the pending catastrophe with the help of a retired, nonsensical scientist.

    Director:Jeff Woolnough
    Writers:Harry Victor, Dan E. Fesman

    Be the first to start the conversation for this episode

  21. Eureka Season 2 Episode 1 - Phoenix Rising
    7.9/10(677 votes)

    S2:E1

    Taggart's theory is that solar flares caused by the eclipse, or the 'Phoenix Effect', are to blame when people start to spontaneously combust. When Carter discovers that a blast of radiation from the artifact had penetrated the wall of the chamber and is actually to blame for the spontaneous combustion, it becomes a race against time to save the other two people exposed - Nathan and Kevin!

    Director:Mike Rohl
    Writer:Jaime Paglia

    Be the first to start the conversation for this episode

  22. Eureka Season 2 Episode 4 - Games People Play
    7.9/10(660 votes)

    S2:E4

    Carter suffers a blow to the head, and after arguing with Zoe, he suddenly finds himself in a parallel Eureka, where the residents seem to be mysteriously vanishing.

    Director:Mike Rohl
    Writer:Johanna Stokes

    Be the first to start the conversation for this episode

  23. Eureka Season 2 Episode 8 - E=MC...?
    7.9/10(635 votes)

    S2:E8

    As an experiment that will recreate the first moment of the origins of the universe, the Big Bang, goes terribly awry, the town’s geniuses turn into morons, leaving the fate of Eureka in the hand of Jack Carter and an antisocial young ubergenius.

    Director:Tim Matheson
    Writer:Bruce Miller

    Be the first to start the conversation for this episode

  24. Eureka Season 3 Episode 13 - If You Build It...
    7.9/10(536 votes)

    S3:E13

    Eureka's teenagers who appear to have been manipulated while asleep, gathered in a field where they assembled a strange structure comprised of scrap metal and electronics.

    Director:Mike Rohl
    Writer:Bruce Miller

    Be the first to start the conversation for this episode

  25. Eureka Season 3 Episode 18 - What Goes Around Comes Around
    7.9/10(537 votes)

    S3:E18

    Tess has a job offer from Australia, Zoe is prepared to leave for Harvard and Carter has a magnetic disturbance above Eureka to contend with, in the third season finale.

    Director:Matthew Hastings
    Writer:Jaime Paglia

    Be the first to start the conversation for this episode

Best Episodes Summary

"I Do Over" is the best rated episode of "Eureka". It scored 8.8/10 based on 764 votes. Directed by Matt Earl Beesley and written by Thania St. John, it aired on 8/19/2008. This episode scored 0.0 points higher than the second highest rated, "Founder's Day".