A mysterious presence in the woods outside town first sparks fear, then prompts an investigation which quickly involves all of Eureka's eccentric denizens.

Video of a beast outside Eureka spurs Carter and Taggert into action.

Carter, Lupo and Taggart search the woods for the beast

Allison Blake has a frightening run-in with the creature.

An autopsy of the creature leads to a shocking discovery.

Carter follows the latest clues to a fateful confrontation.

Carter finds the "missing link" to the mystery monster.

Carter finds the "missing link" to the mystery monster.

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.

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.

Outtakes from season 1

Extended and deleted scenes from season 1

Fake TV Spots of Eureka products: a cryo-kennel and micro-mitt.

The cast and crew look back on season 2 of Eureka.

A collection of three webcasts from Sci-fi.com including 'Welcome Back...', 'Love Thy Neighbor' and a interview with Colin Ferguson at the San Diego Comic-Con 2007.

Season 2 outtakes.

A look at the writers preparing for Season 3 in 2008.

Deleted scene from episode 1 of season 2 'Phoenix Rising' featuring Jo and Fargo.

5 deleted scenes from episode 2 of season 2 'Try, Try Again'.

2 deleted scenes from episode 3 of season 2 'Unpredicatable'.

Deleted scene from episode 4 of season 2 'Games People Play', featuring Henry in his lab.

Deleted scene from episode 7 of season 2 'Family Reunion', showing Fargo's grandfather aging whilst washing his face.

Two deleted scenes from episode 8 of season 2 'E=MC...?'.

Deleted scene from episode 9 of season 2 'Sight Unseen', featuring Nathan and Allison in the labs.

Deleted scene from episode 10 of season 2 'God is in the Details', featuring Henry and Carter visiting Zoe.

Four deleted scenes from episode 12 of season 2 'All That Glitters'.

A collection of deleted scenes from the first four episodes of Season 3.

Deleted scenes from the second set of four episodes.

A look at creating the score for Eureka.

Deleted scenes from the third set of four episodes.

Deleted scenes from the penultimate disc.

Deleted scenes from the last 3 episodes.

A look at the VFX in Eureka.

A look behind the scenes of creating the 1947 version of Eureka.

Outtakes from the first half of season 4.

Deleted scenes from 'Founder's Day' and 'A New World'.

Deleted and extended scenes from 'All the Rage', 'The Story of O2', 'Crossing Over' and 'Momstrosity'.

Deleted scenes from 'Stoned' and 'I'll Be Seeing You'.

Deleted scenes from episode 11 of season 4 'Liftoff'.

Deleted scenes from episode 12 of season 4 'Reprise'.

Deleted scene from episode 13 of season 4 'Glimpse'.

Deleted scene from episode 14 of season 4 'Up in the Air'.

Deleted scenes from episode 15 of season 4 'Omega Girls'.

Deleted scenes from episode 17 of season 4 'Clash of the Titans'.

Deleted scenes from episode 18 of season 4 'One Time at Space Camp...'.

Deleted scenes from episode 19 of season 4 'One Small Step'.

Deleted scenes from episode 20 of season 4 'One Giant Leap'.

Outtakes from the second half of season 4.

We don't have an overview translated in English. Help us expand our database by adding one.

Deleted scenes from episode 1 of season 5, 'Lost'.

Deleted scenes from episode 3 of season 5, 'Force Quit'.

Deleted and extended scenes from episode 5 of season 5, 'Jack of All Trades'.

A behind the scenes look at how episode 5 of season 5, 'Jack of All Trades', was made.

Deleted and extended scenes from episode 7 of season 5, 'Ex Machina'.

Deleted scenes from episode 10 of season 5, 'The Honeymooners'.

Deleted scenes from the final episode, 'Just Another Day...'.

Outtakes from season 5 of Eureka.

A homage to Carter's long-suffering jeep, 'Carl'.

"This Song is on the House" performed by singer/songwriter Tally Deushane. This song is about the Andy (the AI Deputy) and Sarah (the smart house AI).

A heartfelt thank-you to fans from Co-Creator and Executive Producer Jaime Paglia and the rest of the cast and crew of Eureka.

The search is one for an escaped drone as Eva Thorne arrives to assist the clean up of damages which Global Dynamics has caused.

Carter and Allison investigate when a scientist mysteriously disappears from a sealed biosphere. Meanwhile, the "Fixer" tries to make Eureka's efforts more profitable.

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.

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.

A search for a mummy ensues after a famed archaeologist opens the tomb of an Egyptian queen at Global Dynamics.

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.

The Eureka mayoral race is overshadowed by the sudden arrival of a second sun, forcing Carter, Allison and Zane to investigate it more closely.

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.

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.

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.

Dr. Tess Fontana reopens Section 5, causing objects to become ambulatory , possibly due to poltergeists.

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.

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.

Henry's ship returns causing Carter to fear it maybe linked to the town's deadly electrical anomalies.

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.

Global Dynamics sonic cleaning coincides with a phenomenon in which the citizens of Eureka develop a form of amnesia. Meanwhile, Allison goes into labor.

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.

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.

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.