Eureka: Season 4
2010 · 21 episodes · ★ 8.3
What Season 4 of Eureka
The fourth season opens with Eureka preparing a big party for the town's founding anniversary. Carter has returned from the past and finds a life that has changed while he was away. Fargo carries a new reputation as a tyrant and must answer to General Mansfield for a non-lethal weapons project. Soon the spotlight turns to Mission Astraeus, a six-month journey to Titan for which the scientists compete with their best ideas. Attacks, out-of-control inventions, and tensions between the characters drive much of the episodes. Jo, Zane, Allison, and Henry carry many of the storylines, while Carter deals with his personal life.
Season 4 Episodes
4x01 Founder's Day
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.
Directing: Matthew Hastings · Writing: Jaime Paglia · Starring: Chris Gauthier, Jaime Ray Newman, James Callis, Tembi Locke
4x02 A New World
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.
Directing: Michael Robinson · Writing: Bruce Miller · Starring: Chris Gauthier, Christopher Jacot, Jaime Ray Newman, James Callis
4x03 All the Rage
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.
Directing: Mike Rohl · Writing: Kira Snyder · Starring: Chris Gauthier, Jaime Ray Newman, James Callis, Barclay Hope
4x04 The Story of O2
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?
Directing: Colin Ferguson · Writing: Jill E. Blotevogel · Starring: Jordan Hinson, Chris Gauthier, Kavan Smith, Christopher Jacot
4x05 Crossing Over
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.
Directing: Michael Robison · Writing: Paula Yoo · Starring: Chris Gauthier, James Callis, Allison Scagliotti, Tembi Locke
4x06 Momstrosity
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.
Directing: Mike Rohl · Writing: Terri Hughes, Ron Milbauer · Starring: Chris Gauthier, Kavan Smith, Christopher Jacot, James Callis
4x07 Stoned
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.
Directing: Joe Morton · Writing: Eric Wallace · Starring: Jordan Hinson, Chris Gauthier, Debrah Farentino, Christopher Jacot
4x08 The Ex-Files
Eureka's citizens face the return of people from the past; Global Dynamics tests a new device.
Directing: Chris Fisher · Writing: Amy Berg · Starring: Jordan Hinson, Ed Quinn, Chris Gauthier, Kavan Smith
4x09 I'll Be Seeing You
When Grant and Carter become stranded, they must race back in time to save Eureka.
Directing: Michael Robison · Writing: Jaime Paglia · Starring: Jordan Hinson, Kavan Smith, Debrah Farentino, James Callis
4x10 O Little Town
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.
Directing: Matthew Hastings · Starring: Jordan Hinson, Matt Frewer, Chris Gauthier, Chris Parnell
4x11 Lift Off
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.
Writing: Bruce Miller · Starring: Chris Gauthier, Kavan Smith, Christopher Jacot, Tembi Locke
4x12 Reprise
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.
Directing: Matthew Hastings · Starring: Chris Gauthier, Kavan Smith, Debrah Farentino, Christopher Jacot
4x13 Glimpse
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.
Directing: Michael Robison · Starring: Chris Gauthier, Stan Lee, Felicia Day, Wil Wheaton
4x14 Up in the Air
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.
Directing: Alexandra La Roche · Starring: Chris Gauthier, Kavan Smith, Debrah Farentino, Felicia Day
4x15 Omega Girls
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.
Directing: Salli Richardson-Whitfield · Writing: Jaime Paglia, Andrew Cosby, Eric Wallace · Starring: Jordan Hinson, Debrah Farentino, Martin Cummins, Ming-Na Wen
4x16 Of Mites and Men
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.
Directing: Mike Rohl · Starring: Chris Gauthier, Kavan Smith, Christopher Jacot, Felicia Day
4x17 Clash of the Titans
The Eureka atmosphere becomes toxic when Department of Defense auditor comes to assess the team's relationships.
Directing: Michael Robison · Writing: Paula Yoo · Starring: Chris Gauthier, Felicia Day, Tembi Locke, Kim Poirier
4x18 This One Time at Space Camp...
The Astraeus candidates go through their final interviews while Carter and Allison appeal their relationship audit.
Directing: Andrew Seklir · Writing: Jaime Paglia, Andrew Cosby · Starring: Chris Gauthier, Felicia Day, Tembi Locke, Wil Wheaton
4x19 One Small Step...
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
Directing: Michael Robison · Writing: Bruce Miller, Jaime Paglia, Andrew Cosby · Starring: Matt Frewer, Chris Gauthier, Kavan Smith, Felicia Day
4x20 One Giant Leap...
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.
Directing: Matthew Hastings · Writing: Jaime Paglia, Andrew Cosby · Starring: Matt Frewer, Chris Gauthier, Felicia Day, Tembi Locke
4x21 Do You See What I See Season Finale
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.
Directing: Matthew Hastings · Writing: Eric Tuchman, Amy Berg · Starring: Jordan Hinson, Matt Frewer, Chris Gauthier, Kavan Smith
Season 4 Cast
Salli Richardson-WhitfieldAllison Blake21 episodes
Joe MortonHenry Deacon21 episodes
Erica CerraJo Lupo21 episodes
Neil GraystonDouglas Fargo21 episodes
Niall MatterZane Donovan21 episodes
Chris GauthierVincent19 episodes
Tembi LockeGrace Monroe15 episodes
Trevor JacksonKevin Blake9 episodes
Felicia DayHolly Marten8 episodes
Christopher JacotLarry Haberman7 episodes
Wil WheatonIsaac Parrish7 episodes
Debrah FarentinoBeverly Barlowe6 episodes
Jaime Ray NewmanTess Fontana4 episodes
Jackie GonneauComputer Voice4 episodes
Barclay HopeGen. Mansfield3 episodes
Wesley SalterTechnician3 episodes
Elias ToufexisAdam Barlowe3 episodes
All Seasons
Season 12006 · 12 ep. · ★ 8.1
Season 22007 · 13 ep. · ★ 7.8
Season 32008 · 18 ep. · ★ 8.0
Season 52012 · 13 ep. · ★ 8.3Where to Watch Season 4 of Eureka
It is currently not available on the major streaming platforms.
Frequently Asked Questions
How many episodes are in season 4 of Eureka?
Season 4 of Eureka has 21 episodes.
When did season 4 of Eureka premiere?
Premiered on July 9, 2010.
Where can I watch season 4 of Eureka?
Currently not available on the major subscription platforms (availability may vary by country).
What is the best episode of Season 4?
According to the audience rating on TMDB, episode 4x02, "A New World", with a 8.7.