Carter must save the town after wormholes begin appearing and threaten to tear Eureka apart.(end of series)

After the DOD closed down Eureka a surprise founder came in and bought the town and gave it back to them and made Henry director. 

original airdate--July 16,2012           rating--1.58 million

song--Eureka Theme song--"Eureka On My Mind" by Bear McCreary

1.  "You Are My Home," by Bear McCreary co-wrote by Jaime Paglia

Trivia--The "Eureka" crew paid a surprise tribute to Hastings and Paglia with storefront signage on Eureka's main street: Hastings Hoverboards and Paglia Propulsion Products.