As of July 2026, Eureka Season 3 aired in 2008 with 18 episodes. Full episode guide and where to watch below.
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Eureka Season 3

2008 18 Episodes Sci-Fi & Fantasy · Comedy ⭐ 8/10

Eureka Season 3 has quietly become one of the more dependable comedies currently available. Across 1 season, the show has had time to find its rhythm and keep it. 723 viewers have already rated it on TMDB — the kind of consensus that does not happen by accident. Colin Ferguson leads a cast with real comic timing. There is no real reason to keep putting it off.

Eureka Season 3 is not trying to be everything to everyone, and that focus is exactly what makes it work. Eureka Season 3 does what great comedies rarely manage — it is actually funny, consistently, across the whole run. The third season of the fantasy series set in the quirky and seemingly perfect small town of Eureka, where the hidden work of America's brightest scientists can lead to innovation or utter chaos. Colin Ferguson and Salli Richardson-Whitfield lead a cast that brings real weight to the material. It was aired in 2008. Eureka Season 3 earns its laughs from character rather than situation, which is why it does not wear thin the way pure farce tends to. It rarely drops the ball, and when it does, it recovers fast.

Comedy fans looking for a reliably funny watch will find it in Eureka Season 3. It has built its own audience without needing a direct comparison. The complete run is available and best experienced without too much prior knowledge of where it goes. Colin Ferguson anchors an ensemble with real chemistry. Genuinely funny, consistently, across the whole run.

📡 Where to Watch Eureka Season 3

Not currently available on major streaming platforms. Check back soon.

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🎬 Eureka Season 3 — Episode Guide

E1
Bad to the Drone
2008-07-29
The search is on for an escaped drone as Eva Thorne arrives to assist the cleanup of damages which Global Dynamics has caused.
E2
What About Bob?
2008-08-05
Carter and Allison investigate when a scientist mysteriously disappears from a sealed biosphere. Meanwhile, the "Fixer" tries to make Eureka's efforts more profitable.
E3
Best in Faux
2008-08-12
Eureka's annual dog show is underway and is like none other. Meanwhile, Sheriff Carter experiences an earthquake; Zoe debates quitting the accelerated physics program; and Allison starts the process of fitting her wedding dress.
E4
I Do Over
2008-08-19
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.
E5
Show Me the Mummy
2008-08-26
A search for a mummy ensues after a famed archaeologist opens the tomb of an Egyptian queen at Global Dynamics.
E6
Phased and Confused
2008-09-09
Carter's job is made more difficult when a super hero emerges. Meanwhile, Zoe and her friends are imperiled when Thorne makes a subterranean search beneath Eureka.
E7
Here Come the Suns
2008-09-16
The Eureka mayoral race is overshadowed by the sudden arrival of a second sun, forcing Carter, Allison and Zane to investigate it more closely.
E8
From Fear to Eternity
2008-09-23
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.
E9
Welcome Back Carter
2009-07-10
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.
E10
Your Face Or Mine
2009-07-17
Jo displays atypical behavior after a DNA scan malfunctions, unfortunately it's while she's interim sheriff because Carter is undergoing a 48-hour DOD recertification test.
E11
Insane In The P-Brane
2009-07-24
Dr. Tess Fontana reopens Section 5, causing objects to become ambulatory , possibly due to poltergeists.
E12
It's Not Easy Being Green
2009-07-31
Carter finds himself chasing down creation of blob-ical like proportions when a series of escalating pranks turn deadly. Elsewhere, long-term rivals from Area 51 come to Eureka for a bowling tournament.
E13
If You Build It...
2009-08-07
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.
E14
Ship Happens
2009-08-14
Henry's ship returns causing Carter to fear it maybe linked to the town's deadly electrical anomalies.
E15
Shower the People
2009-08-21
Allison's baby shower fetches her a load of eco-friendly gifts and the discovery of a drowned scientist in a location where drowning is impossible.
E16
You Don't Know Jack
2009-08-28
Global Dynamics sonic cleaning coincides with a phenomenon in which the citizens of Eureka develop a form of amnesia. Meanwhile, Allison goes into labor.
E17
Have an Ice Day
2009-09-11
The first day on the job as temporary head of Global Dynamics proves daunting for Tess when a new Ice Age comes to Eureka; and a familiar face returns in the process.
E18
What Goes Around Comes Around
2009-09-18
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.

🎭 Cast of Eureka Season 3

Colin Ferguson
Colin Ferguson
Jack Carter
Salli Richardson-Whitfield
Salli Richardson-Whitfield
Allison Blake
Joe Morton
Joe Morton
Henry Deacon
Erica Cerra
Erica Cerra
Jo Lupo
Neil Grayston
Neil Grayston
Douglas Fargo
Jordan Hinson
Jordan Hinson
Zoe Carter

📋 All Seasons of Eureka

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