Mirror, Mirror: When a cloud of smart dust disrupts all communications in Eureka, Carter and Fargo must act fast before it starts affecting human brain functions. (S5, ep 12) [S]
The Honeymooners: Carter tries to give Allison a romantic honeymoon while saboteurs are uncovered in Eureka. Meanwhile, Holly's very existence is threatened. (S5, ep 11) [S]
New. Smarter Carter: Carter endangers the whole of Eureka when, under the influence of a smart new drug, he starts to change the laws of physics. (S5, ep 10) [S]
In Too Deep: Carter and Allison's romantic plans land them at the bottom of a lake in a leaky submarine. With time and oxygen running out fast, can Jo save their lives? (S5, ep 9) [S]
Double Take: The smart dust is still wreaking havoc on the town's communications systems, while the bio-printer has gone missing and Holly is definitely not herself. (S5, ep 13) [S]
Mirror, Mirror: When a cloud of smart dust disrupts all communications in Eureka, Carter and Fargo must act fast before it starts affecting human brain functions. (S5, ep 12) [S]
The Honeymooners: Carter tries to give Allison a romantic honeymoon while saboteurs are uncovered in Eureka. Meanwhile, Holly's very existence is threatened. (S5, ep 11) [S]
New. Smarter Carter: Carter endangers the whole of Eureka when, under the influence of a smart new drug, he starts to change the laws of physics. (S5, ep 10) [S]
In Too Deep: Carter and Allison's romantic plans land them at the bottom of a lake in a leaky submarine. With time and oxygen running out fast, can Jo save their lives? (S5, ep 9) [S]
Ex Machina: Fargo is convinced that Holly is still inside the Matrix computer. But can he stop the DOD from wiping its hard drive? Henry enlists Carter for an experiment. (S5, ep 8) [S]
Worst Case Scenario: Henry puts the Astraeus crew to the test with a disaster drill. However, the system conducting the exercise turns the simulation into reality. (S5, ep 7) [S]
New. Do You See What I See?: In a special episode, colour crashes over the town leaving all the characters animated. Sheriff Carter and Allison Blake plan a big surprise. (S5, ep 1) [S]
Clash of the Titans: The Department of Defense sends a relationship auditor to assess Carter and Allison. Plus, Jo shares her wedding ideas with Henry and Grace. (S4, ep 17) [S]
Of Mites and Men: Alarm bells ring when Global Dynamics is plagued by a swarm of robotic bugs. Carter talks to Allison about her mental state, too. (S4, ep 16) [S]
Omega Girls: Lupo tries to explain to a visiting Zoe what happened with Zane. A bigger problem arises, though, when everyone in Eureka suddenly loses consciousness. (S4, ep 15) [S]
Up in the Air: Pushed for time, Carter must solve a bank robbery before the town of Eureka floats away! Fargo's growing rivalry with Isaac intensifies, too. (S4, ep 14) [S]
Glimpse: Problems arise when special lenses capable of predicting possible security breaches hit the market. Fargo, meanwhile, needs volunteers for his space mission. (S4, ep 13) [S]
Reprise: Carter is on babysitting duties when Allison attends a medical conference out of town. A rocket scientist, meanwhile, makes an appearance in Cafe Diem. (S4, ep 12) [S]
O Little Town...: A catastrophic Christmas is on the cards when an unstable hydrogen crystal belonging to Dr Noah Drummer threatens the town's safety. (S4, ep 10) [S]
I'll Be Seeing You: When a Global Dynamics device is stolen, Grant finds himself at the top of the suspect list. His ties to Beverly Barlowe only make matters worse. (S4, ep 9) [S]
The Ex-Files: Trouble brews when Carter and the gang are revisited by familiar faces from their past. Unknown forces attack Eureka, too. (S4, ep 8) [S]
Stoned: Tensions between Carter and Grant boil over, while Zoe deals with a secret love. Then there's the small matter of Eureka's residents inexplicably turning into stone... (S4, ep 7) [S]
Momstrosity: Carter's camping trip takes an unexpected turn when he's joined by some ghostly guests. Plus, Henry must decide whether honesty really is the best policy. (S4, ep 6) [S]
Crossing Over: Warehouse 13's Claudia Donovan swings by and finds herself in the middle of a mystery when an array of weird, wonderful objects pop up all over town. (S4, ep 5) [S]
The Story of O2: Dr Ramsey unveils a cutting-edge invention that could allow the colonisation of Mars. The only downside is that it could also potentially destroy Eureka... (S4, ep 4) [S]
All the Rage: No one is safe when Dr Parrish's latest creation goes viral, infecting residents with unbridled rage. Contains flashing image throughout. (S4, ep 3) [S]
Founder's Day: Season four kicks off with Eureka celebrating its 60th anniversary. Events take an unexpected turn, though, when residents are transported to a military site. (S4, ep 1) [S]
Finale. What Goes Around, Comes Around: The offbeat drama reaches a suitably eccentric end. Carter must contend with a magnetic anomaly wreaking havoc in Eureka. (S3, ep 18) [S,AD]
Have An Ice Day!: Dr Fontana is thrown into the thick of the action on her first day managing Global Dynamics. The arrival of an Arctic ice core causes temperatures to drop. (S3 ep17) [S]
You Don't Know Jack: Eureka can't catch a break and is subjected to more strange goings on. As well as an outbreak of a communal form of Alzheimer's, Allison gives birth. (S3, ep 16) [S,AD]
Shower The People: Allison is thrown a baby shower, and Carter investigates when a group of scientists are found drowned in an area where drowning should be impossible. (S3, ep 15) [S,AD]
Ship Happens: Carter believes there's a connection between a strange ship and a series of deadly electrical anomalies. Can he put a stop to the freakish occurrences? (S3, ep 14) [S,AD]
If You Build It... Suspicions are aroused when the town's teenagers start to act strangely and an odd structure is erected. Are the two linked? Suitably surreal viewing. (S3, ep 13) [S,AD]
It's Not Easy Being Green: The flames of rivalry are stoked when the residents of Area 51 arrive for a bowling contest. Meanwhile, Carter probes a series of pranks. (S3, ep 12) [S,AD]
Insane In The P-Brane: Dr Fontana reopens Section Five, triggering a series of strange events. Supernatural goings on are at play when inanimate objects spring to life. (S3, ep 11) [S,AD]
Your Face Or Mine?: The playful drama continues to up the quirky quota. Concerns are raised when Jo starts to act strangely. Directed by Colin Ferguson (Sheriff Carter). (S3, ep 10) [S,AD]
Welcome Back, Carter: The quirky drama returns. A reluctant Carter prepares to leave Eureka, making the way for Sheriff Andy, a humanoid simulation. Flashing images. (S3, ep 9) [S,AD]
From Fear To Eternity: While Eva prepares to seal off the mysterious military complex, Zoe's life is endangered when her body starts to age rapidly. (S3, ep 8) [S,AD]
Phased And Confused: Zoe puts her life in danger when she explores a military installation tucked away in the Tesla School. And a wannabe superhero makes his presence known. (S3, ep 6) [S,AD]
Just Another Day...: The DOD is pulling the plug on Eureka. As our heroes grapple with saying goodbye, they are forced to work together one last time. (S5, ep 14) [S]
Show Me The Mummy!: The arrival of an Egyptian Mummy triggers a series of strange events. Is Eureka in the grip of an unleashed curse? (S3, ep 5) [S,AD]
Double Take: The smart dust is still wreaking havoc on the town's communications systems, while the bio-printer has gone missing and Holly is definitely not herself. (S5, ep 13) [S]
I Do Over: The day of Allison's wedding has arrived, but there's a hitch: time has gone awry. Stuck in a loop, can Carter reset the clocks and return the natural order of things? (S3, ep 4) [S,AD]
Mirror, Mirror: When a cloud of smart dust disrupts all communications in Eureka, Carter and Fargo must act fast before it starts affecting human brain functions. (S5, ep 12) [S]
Best In Faux: Fur flies at the annual dog show when someone starts picking off the biomimetic pooches one by one. Adding to the canine chaos, an earthquake brews beneath Eureka. (S3, ep 3) [S,AD]
The Honeymooners: Carter tries to give Allison a romantic honeymoon while saboteurs are uncovered in Eureka. Meanwhile, Holly's very existence is threatened. (S5, ep 11) [S]
What About Bob?: Carter is called to investigative action when a scientist mysteriously vanishes from a sealed biosphere. A suitably strange instalment of the quirky drama. (S3, ep 2) [S,AD]
New. Smarter Carter: Carter endangers the whole of Eureka when, under the influence of a smart new drug, he starts to change the laws of physics. (S5, ep 10) [S]
Bad To The Drone: During a routine test, a rogue drone flies off into the distance. Can Carter recapture it before it does any damage? (S3, ep 1) [S,AD]