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All Seasons

Season 1

  • S01E01 Pilot

    • July 18, 2006
    • SYFY

    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. He develops a friendly working relationship with government liaison Allison Blake and meets some of the more eccentric residents of Eureka.

  • S01E02 Many Happy Returns

    • July 25, 2006
    • SYFY

    Carter and the other citizens of Eureka attend the funeral of Susan Perkins. Much to their surprise, Ms. Perkins makes a return to Eureka as a woman who is very much alive!

  • S01E03 Before I Forget

    • August 1, 2006
    • SYFY

    Jack Carter accidentally shoots Henry while suffering from short-term memory loss, meanwhile a visit from a noted scientist may hold clues into to his sudden memory loss.

  • S01E04 Alienated

    • August 8, 2006
    • SYFY

    Spencer is apparently abducted by aliens and then returned to earth the next day inside a crop circle. Also, the town is visited by the congressman whose committee is responsible for its government funding.

  • S01E05 Invincible

    • August 15, 2006
    • SYFY

    After a lab accident, Global Dynamics researcher Carl Carlson is expelled from Eureka due to lack of results. Later, it is discovered that the accident has unlocked hidden abilities in Carl. Meanwhile, Jack does his best to avoid a physical.

  • S01E06 Dr. Nobel

    • August 22, 2006
    • SYFY

    After Fargo and Spencer accidentally activate a doomsday device, Carter must help Dr. Irwin Thatcher, an aging scientist, to shut down the device.

  • S01E07 Blink

    • August 29, 2006
    • SYFY

    Carter investigates an unusual car accident. Meanwhile, Stark is under stress to produce results on a project.

  • S01E08 Right as Raynes

    • September 5, 2006
    • SYFY

    When the return of Eureka's star pupil causes problems all over town, Stark is forced to make a hard choice. Carter attempts to track down Zoe who has run off with the former resident.

  • S01E09 Primal

    • September 12, 2006
    • SYFY

    Fargo invents a device that bridges the gap between computers and human brains

  • S01E10 Purple Haze

    • September 19, 2006
    • SYFY

    Strange behavior is affecting the whole town except Sheriff Carter and Zoe. The father and daughter team must find the cause while Stark makes a decision that could affect the world.

  • S01E11 H.O.U.S.E. Rules

    • September 26, 2006
    • SYFY

    S.A.R.A.H - the artificial intelligence that runs Carter's house takes him and a group of residents hostage in an intervention to keep Carter in Eureka. Meanwhile her root program B.R.A.D activates and turns the situation deadly.

  • S01E12 Once in a Lifetime

    • October 3, 2006
    • SYFY

    Stark is given a chance to try the top-secret Artifact. Once it's tested, Eureka warps into the future and ends up in 2010, where the town is different.

Season 2

  • S02E01 Phoenix Rising

    • July 10, 2007
    • SYFY

    A man bursts into flames. Elsewhere, Carter and Deacon are reaccustoming to the timeline restored in "Once in a Lifetime."

  • S02E02 Try, Try Again

    • July 17, 2007
    • SYFY

    Carter requests Stark's help after Fargo accidentally activates a personal force field, which causes mayhem.

  • S02E03 Unpredictable

    • July 24, 2007
    • SYFY

    An isolated deep freeze trigger causes a chain reaction of sudden weather changes in Eureka.

  • S02E04 Games People Play

    • July 31, 2007
    • SYFY

    After receiving a hit to the head, Carter finds that he is in a parallel Eureka. He discovers that the residents of the parallel Eureka are disappearing.

  • S02E05 Duck, Duck Goose

    • August 7, 2007
    • SYFY

    Space debris threatens Eureka's existence after it accumulates into a large cloud. Carter investigates in an effort to avert potential disaster.

  • S02E06 Noche de Sueños

    • August 14, 2007
    • SYFY

    A toxic spill seems to cause Eureka's residents to share their dreams. Initially the situation is amusing, but turns dire after the dream sharing is discovered to have a lethal attribute. The situation becomes more complicated, when Carter finds out that the spill is not the cause.

  • S02E07 Family Reunion

    • August 21, 2007
    • SYFY

    A man who turns out to be Fargo's grandfather has been cryogenically frozen for 50 years. He is awakened from his slumber by accident with no recollection of how he was frozen. In addition to that, it seems that he is the father of lots of technologies at Eureka.

  • S02E08 E=MC...?

    • August 28, 2007
    • SYFY

    An experiment about the big bang theory seems to be the cause for Eureka's finest to become dumber and dumber, including everyone involved in the experiment. When it comes to the verge of destroying Global Dynamics, the fate of the town lies in the hands of Jack Carter and the team of scientists he assembles, amongst them the newest member of the town, an anti-social genius.

  • S02E09 Sight Unseen

    • September 4, 2007
    • SYFY

    Strange happenings and spreading radiation at Global Dynamics lead to speculations that an abandoned research project concerning invisibility might have been revived. When Sheriff Carter accidentally becomes involved, the effects of invisibility threaten his life.

  • S02E10 God is in the Details

    • September 11, 2007
    • SYFY

    Zoe and her friends lose their voices, but whatever is causing the symptoms has an even worse effect on Allison and her only hope comes from an unusual source.

  • S02E11 Maneater

    • September 18, 2007
    • SYFY

    Eureka's air-conditioning system develops a fault, causing sexually tense situations, when the female residents suddenly become attracted to Carter due to bacteria.

  • S02E12 All That Glitters

    • September 25, 2007
    • SYFY

    The town along with its residents mysteriously start to deconstruct. The prime suspect is an artist who couldn't get along with Stark when he was working at Global Dynamics.

  • S02E13 A Night at Global Dynamics

    • October 2, 2007
    • SYFY

    Carter and Stark must work together as an aggressive virus is sweeping across Eureka, while Kevin's life is in danger.

Season 3

  • S03E01 Bad to the Drone

    • July 29, 2008
    • SYFY

    Eureka is threatened by an intelligent drone with "issues" after an anti-missile test. Meanwhile, Eva Thorne, nicknamed "The Fixer" after dismantling and rebuilding several corporations, arrives in Eureka to evaluate Global Dynamics' expenditures.

  • S03E02 What About Bob?

    • August 5, 2008
    • SYFY

    Sheriff Carter and Allison investigate the disappearance of a scientist from a sealed biosphere. Meanwhile, "The Fixer" attempts to make Eureka's ventures more profitable.

  • S03E03 Best in Faux

    • August 12, 2008
    • SYFY

    The town's annual dog show gets into full swing complete with exploding robotic canines. Meanwhile, Sheriff Carter experiences an isolated earthquake, Zoe contemplates quitting the accelerated physics program, and Allison starts fitting her wedding dress.

  • S03E04 I Do Over

    • August 19, 2008
    • SYFY

    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.

  • S03E05 Show Me the Mummy

    • August 26, 2008
    • SYFY

    When an Egyptian tomb is opened at Global Dynamics, strange things start to happen, leading Fargo to believe it is the mummy's curse. The mummy, however, has disappeared, and Carter investigates.

  • S03E06 Phased and Confused

    • September 9, 2008
    • SYFY

    A mysterious "superhero" who can walk through walls is causing a ruckus in Eureka. Meanwhile, Zoe and her friends become stranded with Zane Donovan in an abandoned subterranean facility.

  • S03E07 Here Come the Suns

    • September 16, 2008
    • SYFY

    The town's mayoral race is disrupted when Zoe's science partner inadvertently causes a second sun to appear over Eureka.

  • S03E08 From Fear to Eternity

    • September 23, 2008
    • SYFY

    When a potentially world-altering scientific discovery from Eureka's past finally comes to light, can anyone be trusted with it? The question is far from rhetorical for Carter: Zoe's life is in immediate danger and Eva Thorne knows why.

  • S03E09 Welcome Back, Carter

    • July 10, 2009
    • SYFY

    A new sheriff arrives in Eureka that turns out to be a robot that can change into human form (with mixed results). The town really needs the new sheriff as the town's gravity seems to be acting up.

  • S03E10 Your Face or Mine?

    • July 17, 2009
    • SYFY

    Deputy Lupo stands in as the acting sheriff while Carter undergoes his annual physical, but she's not acting like herself.

  • S03E11 Insane in the P-Brane

    • July 24, 2009
    • SYFY

    Tess Fontana (Jaime Ray Newman) shakes things up in Carter’s world when she’s brought in by Allison to re-open Section Five.

  • S03E12 It's Not Easy Being Green

    • July 31, 2009
    • SYFY

    A bowling tournament brings a rival science team from Area 51 to town, leaving Carter investigating practical jokes that escalate in scope and destruction as the competition progresses.

  • S03E13 If You Build It...

    • August 7, 2009
    • SYFY

    Teenagers construct an odd building in a Eureka field while asleep.

  • S03E14 Ship Happens

    • August 14, 2009
    • SYFY

    Henry's 20-year-old project returns with more on board than it left with.

  • S03E15 Shower the People

    • August 21, 2009
    • SYFY

    Jack investigates the deaths of scientists who drowned in less than liquid circumstances. Meanwhile, Allison's baby shower goes green.

  • S03E16 You Don't Know Jack

    • August 28, 2009
    • SYFY

    It's a busy day for Global Dynamics and Eureka as Allison's labor begins during a sonic cleaning of the company, and the townspeople exhibit Alzheimer's disease at the same time.

  • S03E17 Have an Ice Day

    • September 11, 2009
    • SYFY

    Tess hopes her first day in charge of Global will be uneventful; the arrival of an Arctic ice core brings a new Ice Age to Eureka

  • S03E18 What Goes Around, Comes Around

    • September 18, 2009
    • SYFY

    Zoe prepares to leave for college. Tess receives a job offer in Australia. A magnetic disturbance hovers above Eureka.

Season 4

  • SPECIAL 0x9 Lets All Go to Eureka

    • July 9, 2010
    • SYFY

    See the characters from America’s smartest little town like you’ve never seen them before, as you get ready for the all-new season of Syfy’s original series, Eureka. And this year, “the equation has changed.” Yes, Eureka is going through a major transformation, and as you’ll see, its inhabitants might never be the same.

  • S04E01 Founder's Day

    • July 9, 2010
    • SYFY

    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.

  • S04E02 A New World

    • July 16, 2010
    • SYFY

    As the Founder's Day festivities continue, Carter and the others must accustom themselves to the new time line and how Dr. Grant fits into it. Unfortunately, re-acclimatization needs to occur on a steep learning curve.

  • S04E03 All the Rage

    • July 23, 2010
    • SYFY

    Dr. Isaac Parrish, the brilliant director of the Non-lethal Weapons Lab, is feeling a little undervalued these days. Then all his latent hostility goes viral, infecting everyone with such fury that no one is safe, especially Fargo.

  • S04E04 The Story of O2

    • July 30, 2010
    • SYFY

    As Eureka celebrates Space Week, Dr. Ramsey unveils his cutting edge invention that could allow colonization of Mars. Unfortunately, a slight malfunction may cause it to incinerate Eureka before the dream is realized. Equally bad is that Eureka's go-to guy for crisis intervention has just gone to Boston to visit his daughter at Harvard.

  • S04E05 Crossing Over

    • August 6, 2010
    • SYFY

    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.

  • S04E06 Momstrosity

    • August 13, 2010
    • SYFY

    Carter's camping trip with Kevin becomes a little scarier than ghost stories by the camp fire when a malfunction with the AI at Global Dynamics may turn some of them deadly. Elsewhere, Henry thinks about telling Grace the truth.

  • S04E07 Stoned

    • August 20, 2010
    • SYFY

    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.

  • S04E08 The Ex-files

    • August 27, 2010
    • SYFY

    The gang begins seeing visions of people from their pasts, while the town seems to be collapsing around them. Meanwhile, Dr. Grant gets involved with a mysterious faction.

  • S04E09 I'll Be Seeing You

    • September 10, 2010
    • SYFY

    Dr. Grant attempts to return to 1947 but when Carter intrudes, they both wind up stuck in the past under the threat of altering present-day Eureka once again.

  • S04E10 O Little Town

    • December 7, 2010
    • SYFY

    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.

  • S04E11 Lift Off

    • July 11, 2011
    • SYFY

    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.

  • S04E12 Reprise

    • July 18, 2011
    • SYFY

    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.

  • S04E13 Glimpse

    • July 25, 2011
    • SYFY

    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.

  • S04E14 Up in the Air

    • August 1, 2011
    • SYFY

    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.

  • S04E15 Omega Girls

    • August 8, 2011
    • SYFY

    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. SYFY has this & "Of Mites and Men" Listed as episode 16 and does not have #17 "Clash of the Titans Listed"

  • S04E16 Of Mites and Men

    • August 15, 2011
    • SYFY

    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. SYFY has this & "Omega Girls" Listed as episode 16 and does not have #17 "Clash of the Titans Listed"

  • S04E17 Clash of the Titans

    • August 22, 2011
    • SYFY

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

  • S04E18 This One Time at Space Camp...

    • August 29, 2011
    • SYFY

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

  • S04E19 One Small Step...

    • September 12, 2011
    • SYFY

    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

  • S04E20 One Giant Leap...

    • September 19, 2011
    • SYFY

    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.

  • S04E21 Do You See What I See

    • December 6, 2011
    • SYFY

    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.

Season 5

  • S05E01 Lost

    • April 16, 2012
    • SYFY

    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.

  • S05E02 The Real Thing

    • April 23, 2012
    • SYFY

    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.

  • S05E03 Force Quit

    • April 30, 2012
    • SYFY

    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.

  • S05E04 Friendly Fire

    • May 7, 2012
    • SYFY

    When a smart fire experiment gets out of control, Carter and team discover that the Astraeus victims may be the cause. Meanwhile, Fargo deals with Holly's death, Grace struggles to maintain her relationship with Henry, and Allison fights her feelings about Jo.

  • S05E05 Jack of All Trades

    • May 14, 2012
    • SYFY

    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.

  • S05E06 Worst Case Scenario

    • May 21, 2012
    • SYFY

    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.

  • S05E07 Ex Machina

    • June 4, 2012
    • SYFY

    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.

  • S05E08 In Too Deep

    • June 11, 2012
    • SYFY

    Carter's romantic surprise for Allison turns deadly when they're trapped in a sinking marine lab with time and oxygen quickly running out.

  • S05E09 Smarter Carter

    • June 18, 2012
    • SYFY

    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.

  • S05E10 The Honeymooners

    • June 25, 2012
    • SYFY

    Jack and Allison's perfect honeymoon is interrupted when sabotage is discovered in Eureka. Elsewhere, Holly faces another hurdle to remain intact.

  • S05E11 Mirror, Mirror

    • July 2, 2012
    • SYFY

    The Department of Justice arrives to investigate Grace, while Henry struggles with his conscience and Eureka is cut off from the world by a malfunctioning experiment that threatens to eradicate the town's populace.

  • S05E12 Double Take

    • July 9, 2012
    • SYFY

    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.

  • S05E13 Just Another Day

    • July 16, 2012
    • SYFY

    In the series finale, wormholes randomly materialize around Eureka as the Department of Defense is set to shut the town.

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