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The Best Episodes of Eureka Season 4

Every episode of Eureka Season 4 ranked from best to worst. Discover the Best Episodes of Eureka Season 4!

Binge this in 15h 22m·Peaking at 8.8/10
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Episode Rankings

  1. #1 Fan Favorite
    Eureka Season 4 Episode 1 - Founder's Day
    8.8/10(736 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

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  2. Eureka Season 4 Episode 20 - One Giant Leap...
    8.4/10(515 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

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  3. Eureka Season 4 Episode 8 - The Ex-Files
    8.3/10(556 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

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  4. Eureka Season 4 Episode 9 - I'll Be Seeing You
    8.3/10(525 votes)

    S4:E9

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

    Director:Michael Robison
    Writer:Jaime Paglia

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  5. Eureka Season 4 Episode 2 - A New World
    8.2/10(563 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

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  6. Eureka Season 4 Episode 5 - Crossing Over
    7.9/10(553 votes)

    S4:E5

    Claudia Donovan visits Eureka to see if Fargo's promises of wondrous devices are true, but she finds herself in the middle of a mystery suitable for Warehouse 13 when objects begin to appear randomly around the town and GD, and it must be solved before there are deadly consequences.

    Director:Michael Robison
    Writer:Paula Yoo

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  7. Eureka Season 4 Episode 10 - O Little Town
    7.9/10(577 votes)

    S4:E10

    Carter can't get into the Christmas spirit especially with the town surrounded by a force-field. Fargo organizes the GD holiday party, and Allison is full of holiday cheer.

    Director:Matthew Hastings
    Writer:Unknown

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  8. Eureka Season 4 Episode 11 - Lift Off
    7.9/10(519 votes)

    S4:E11

    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.

    Director:Unknown
    Writer:Bruce Miller

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  9. Eureka Season 4 Episode 13 - Glimpse
    7.9/10(482 votes)

    S4:E13

    Jo receives a technical boost to her crime-fighting ability with lenses that predict security breaches. Allison's headaches won't go away so Carter plans a vacation. Fargo, meanwhile, deals with an onslaught of volunteers when he announces a space mission with room for civilians.

    Director:Michael Robison
    Writer:Unknown

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  10. Eureka Season 4 Episode 16 - Of Mites and Men
    7.9/10(459 votes)

    S4:E16

    When mites threaten to take down Global Dynamics, Jack is called into action since Jo is in the middle of training. Allison is struggling with the fact that everyone things that her brain doesn't work and she is determined to prove that she is back in action again. 

    Director:Mike Rohl
    Writer:Unknown

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  11. Eureka Season 4 Episode 21 - Do You See What I See
    7.9/10(796 votes)

    S4:E21

    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.

    Director:Matthew Hastings
    Writers:Eric Tuchman, Amy Berg

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  12. Eureka Season 4 Episode 12 - Reprise
    7.8/10(488 votes)

    S4:E12

    Carter's duties expand to babysitting when Allison attends a medical conference, and Fargo finds his groove when a certain song is played. Meanwhile, a rocket scientist appears at Café Diem.

    Director:Matthew Hastings
    Writer:Unknown

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  13. Eureka Season 4 Episode 14 - Up in the Air
    7.8/10(491 votes)

    S4:E14

    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.

    Director:Alexandra La Roche
    Writer:Unknown

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  14. Eureka Season 4 Episode 15 - Omega Girls
    7.8/10(458 votes)

    S4:E15

    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.

    Director:Salli Richardson-Whitfield
    Writers:Jaime Paglia, Andrew Cosby, Eric Wallace

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  15. Eureka Season 4 Episode 18 - This One Time at Space Camp...
    7.8/10(554 votes)

    S4:E18

    The Astraeus candidates go through their final interviews while Carter and Allison appeal their relationship audit.

    Director:Andrew Seklir
    Writers:Jaime Paglia, Andrew Cosby

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  16. Eureka Season 4 Episode 19 - One Small Step...
    7.7/10(462 votes)

    S4:E19

    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

    Director:Michael Robison
    Writers:Bruce Miller, Jaime Paglia, Andrew Cosby

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  17. Eureka Season 4 Episode 3 - All the Rage
    7.6/10(551 votes)

    S4:E3

    When a prototype sets everyone into bad temper mode, the issue escalates and gets worse beyond the control of what Jack can handle. As Jack and Allison and Tess are the only sane people at Global Dynamics they have to devise a plan that will make everything calm and happy again. Meanwhile, Henry is helping Dr. Grant re-build the bridge that got them back to the new world except everything they touch disappears.

    Director:Mike Rohl
    Writer:Kira Snyder

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  18. Eureka Season 4 Episode 7 - Stoned
    7.5/10(514 votes)

    S4:E7

    Love is in the air as Carter gets fed up with Grant's pursuit of Allison, Zoe conceals her love and Henry courts Grace. But all the emotions may have to be put on simmer when people in town start turning to stone.

    Director:Joe Morton
    Writer:Eric Wallace

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  19. Eureka Season 4 Episode 4 - The Story of O2
    7.4/10(522 votes)

    S4:E4

    It's space week in Eureka, and everyone is gearing up for the rocket race - except for Carter. General Mansfield is in town for the big Race to the Moon, and is debriefed on a new oxygen-generating fluid designed, called TAP, for colonizing Mars. When the question about someone using TAP to fuel their rocket, the whole town of Eureka is in danger and it is up to Kevin to save the day this time. Will he do it, or will Jack come back to see charred remains of his friends?

    Director:Colin Ferguson
    Writer:Jill E. Blotevogel

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  20. Eureka Season 4 Episode 6 - Momstrosity
    7.4/10(498 votes)

    S4:E6

    When Sara gives Andy a (as Zane calls it ) an EMO download to give him emotion, she inadvertently affects all Level 6 AIs. Including Tiny. She escapes while being transported to NASA and is on the loose. Meanwhile, Jack takes Kevin camping with Fargo and Grant and Jack is not happy that Grant is there. They argue on who is with Allison and who is not and they are interrupted by Tiny who has an attachment to a certain object of Kevin's.

    Director:Mike Rohl
    Writers:Terri Hughes, Ron Milbauer

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  21. Eureka Season 4 Episode 17 - Clash of the Titans
    7.4/10(456 votes)

    S4:E17

    The Eureka atmosphere becomes toxic when Department of Defense auditor comes to assess the team's relationships.

    Director:Michael Robison
    Writer:Paula Yoo

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Season 4 Ratings Summary

"Founder's Day" is the best rated episode of Eureka season 4. It scored 8.8/10 from 736 votes. Directed by Matthew Hastings and written by Jaime Paglia, it aired on July 9, 2010. This episode is rated 0.4 points higher than the second-best, "One Giant Leap...".