Watch Eureka Season 5 Online
Watch Eureka Season 5 full episodes online, free and paid options via our partners and affiliates.
![A Shocking Eureka](https://tv-fanatic-res.cloudinary.com/iu/s--Wh9tZZW7--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371234109/a-shocking-eureka.png)
On the Eureka series finale, the Department of Defense plans to shut down the town when it becomes surrounded by mysterious wormholes.
![Trouble In Eureka](https://tv-fanatic-res.cloudinary.com/iu/s--C_WAMB0---/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371233971/trouble-in-eureka.png)
On Eureka, the Smart Dust control unit malfunctions causing the entire town's communication systems to break down.
![Carter Searches For a Saboteur](https://tv-fanatic-res.cloudinary.com/iu/s--eHNDoCOc--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371233801/carter-searches-a-saboteur.png)
On Eureka, Carter searches for the person responsible for sabotaging an experiment that has cuts Eureka off from the outside world and threatens to eradicate the town.
![Saving Holly](https://tv-fanatic-res.cloudinary.com/iu/s--vvHNsFR7--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371233692/saving-holly.png)
On Eureka, when someone tries to sabotage Eureka, it impacts Carter and Allison's honeymoon.
![Carter Is Shocked](https://tv-fanatic-res.cloudinary.com/iu/s--jNi26wSR--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371233550/carter-is-shocked.png)
On Eureka, under the influence of a smart drug, Carter's intelligence grows but will his actions put the entire town in danger?
![The Team Strategizes](https://tv-fanatic-res.cloudinary.com/iu/s--1Bqx_Me8--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371233288/the-team-strategizes.png)
On Eureka, Carter and Allison's romantic outing is interrupted by an incident with a submarine. Jo must weed out the pranks at Global Dynamics.
![Fargo Tries To Save Holly](https://tv-fanatic-res.cloudinary.com/iu/s--RIkh2y0d--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371233286/fargo-tries-to-save-holly.png)
On Eureka, Carter may be connected to the paranormal activity at Global Dynamics. Fargo believes that Holly may be in the virtual Eureka but a security program hampers his efforts to retrieve her consciousness.
![Carter Calls For Help](https://tv-fanatic-res.cloudinary.com/iu/s--qJ0kweRl--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371233147/carter-calls-for-help.png)
On Eureka, when Global Dynamics disaster preparedness drill goes horribly wrong, the whole town is in danger.
![Carter Acts Oddly](https://tv-fanatic-res.cloudinary.com/iu/s--aY-5TYQl--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371232920/carter-acts-oddly.png)
On Eureka, Carter's behavior becomes odd when psychological assessor Warren Hughes returns.
![Carter & Jo Battle Flames](https://tv-fanatic-res.cloudinary.com/iu/s--CKgDqPo5--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371232568/carter-and-jo-battle-flames.png)
On Eureka a project puts the town in jeopardy of igniting.
![Carter To The Rescue](https://tv-fanatic-res.cloudinary.com/iu/s--SsCw5MxQ--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371232164/carter-to-the-rescue.png)
When Beverly Barlowe seeks out Carter for help, the rescue plan sends Carter to the virtual world on Eureka.
![Scientists Wired](https://tv-fanatic-res.cloudinary.com/iu/s---nclZhMc--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371231693/scientists-wired.png)
Holly comes up with a dangerous theory on the latest episode of Eureka.
![Allison and Jack](https://tv-fanatic-res.cloudinary.com/iu/s--5Z253tBi--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371229234/allison-and-jack.png)
The Astraeus crew returns to Eureka four years later on the season five premiere, and they must adapt to some major changes all around them.