Janet plots revenge when she learns what Tommy did with the baby; Franco questions his marriage proposal to Natalie in light of Alicia and Keela's return; and Tommy faces his…

Janet plots revenge when she learns what Tommy did with the baby; Franco questions his marriage proposal to Natalie in light of Alicia and Keela's return; and Tommy faces his…

Space debris threatens Eureka's existence after it accumulates into a large cloud. Carter investigates in an effort to avert potential disaster.

Lori, Kyle, Jessi, Declan and Amanda stumble upon the ruins of Zzyzx while on a camping trip in the woods. Andy shares a life-changing secret with Josh.

P.J. took the Promicin shot 2 months ago. Now he has an ability…

A devastating fire has a profound effect on the crew; Tommy wrestles with his feelings about the baby; Alicia (Susan Sarandon) returns with a proposition for Franco; Troy breaks up…

A devastating fire has a profound effect on the crew; Tommy wrestles with his feelings about the baby; Alicia (Susan Sarandon) returns with a proposition for Franco; Troy breaks up…

After receiving a hit to the head, Carter finds that he is in a parallel Eureka. He discovers that the residents of the parallel Eureka are disappearing.

Kyle's visions offer the Tragers solace after Stephen's father suffers a stroke and falls into a coma. Meanwhile, Jessi's lack of progress at therapy dismays Emily.

When Jordan Collier and his followers seize control of most of Seattle, the government sends a Delta Force of enhanced soldiers to capture Collier dead or alive.