8.7/10675 votes#1 - Founder's Day
Season 4 Episode 1 - Aired 7/9/2010
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
8.2/10504 votes#2 - A New World
Season 4 Episode 2 - Aired 7/16/2010
When the 5 get back to their time, things are changed everywhere. As the Henry tries to fix the machine that transported them in the first place, Dr. Grant is making himself comfortable as he can. Jack is still trying to wrap his mind at 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
7.6/10487 votes#3 - All the Rage
Season 4 Episode 3 - Aired 7/23/2010
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
7.4/10462 votes#4 - The Story of O2
Season 4 Episode 4 - Aired 7/30/2010
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
7.9/10493 votes#5 - Crossing Over
Season 4 Episode 5 - Aired 8/6/2010
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
7.4/10442 votes#6 - Momstrosity
Season 4 Episode 6 - Aired 8/13/2010
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
Writer: Ron Milbauer, Terri Hughes
7.5/10455 votes#7 - Stoned
Season 4 Episode 7 - Aired 8/20/2010
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
8.2/10502 votes#8 - The Ex-Files
Season 4 Episode 8 - Aired 8/27/2010
Eureka's citizens face the return of people from the past; Global Dynamics tests a new device.
Director: Chris Fisher
Writer: Amy Berg
8.2/10469 votes#9 - I'll Be Seeing You
Season 4 Episode 9 - Aired 9/10/2010
When Grant and Carter become stranded, they must race back in time to save Eureka.
Director: Michael Robison
Writer: Jaime Paglia
7.8/10516 votes#10 - O Little Town
Season 4 Episode 10 - Aired 12/7/2010
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: N/A
7.9/10460 votes#11 - Lift Off
Season 4 Episode 11 - Aired 7/11/2011
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: N/A
Writer: Bruce Miller
7.8/10428 votes#12 - Reprise
Season 4 Episode 12 - Aired 7/18/2011
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: N/A
7.8/10427 votes#13 - Glimpse
Season 4 Episode 13 - Aired 7/25/2011
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: N/A
7.8/10433 votes#14 - Up in the Air
Season 4 Episode 14 - Aired 8/1/2011
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: N/A
7.7/10399 votes#15 - Omega Girls
Season 4 Episode 15 - Aired 8/8/2011
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"
Director: Salli Richardson-Whitfield
Writer: Andrew Cosby, Eric Wallace, Jaime Paglia
7.8/10403 votes#16 - Of Mites and Men
Season 4 Episode 16 - Aired 8/15/2011
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: N/A
7.3/10399 votes#17 - Clash of the Titans
Season 4 Episode 17 - Aired 8/22/2011
The Eureka atmosphere becomes toxic when Department of Defense auditor comes to assess the team's relationships.
Director: Michael Robison
Writer: Paula Yoo
7.7/10497 votes#18 - This One Time at Space Camp...
Season 4 Episode 18 - Aired 8/29/2011
The Astraeus candidates go through their final interviews while Carter and Allison appeal their relationship audit.
Director: Andrew Seklir
Writer: Jaime Paglia, Andrew Cosby
7.6/10403 votes#19 - One Small Step...
Season 4 Episode 19 - Aired 9/12/2011
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
Writer: Bruce Miller, Jaime Paglia, Andrew Cosby
8.4/10469 votes#20 - One Giant Leap...
Season 4 Episode 20 - Aired 9/19/2011
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
Writer: Jaime Paglia, Andrew Cosby
7.9/10729 votes#21 - Do You See What I See
Season 4 Episode 21 - Aired 12/6/2011
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
Writer: Eric Tuchman, Amy Berg
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!
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...
Genres:Sci-Fi & FantasyComedyDrama
Network:Syfy
Season 4 Ratings Summary
"Founder's Day" is the best rated episode of "Eureka" season 4. It scored 8.7/10 based on 675 votes. Directed by Matthew Hastings and written by Jaime Paglia, it aired on 7/9/2010. This episode is rated 0.5 points higher than the second-best, "A New World".