Big Jim takes matters into his own hands when he feels his authority slipping away, and the Dome displays its power when a life is taken just as a newborn arrives.

When the 2nd Mass destroys a crucial Espheni base, a relentless enemy is taken down and the Mason family is reunited with those who had been lost. But the arrival of more interstellar players puts the fate of the Earth’s remaining survivors in doubt.

When the 2nd Mass destroys a crucial Espheni base, a relentless enemy is taken down and the Mason family is reunited with those who had been lost. But the arrival of more interstellar players puts the fate of the Earth’s remaining survivors in doubt.

Sarah seeks peace in the case’s aftermath; the detectives pick up an unnerving new assignment; Lyric is tempted by her old life; Danette says good-bye.

In the Season 3 finale, Sarah risks her life when someone dear to her goes missing; and Holder’s past is used against him.

Kiera races to rescue Alec from himself and preserve her own chance of getting home. Alec must make a difficult decision between solving Kiera’s dilemma or his own.

Cameron has Harvey’s client arrested for murder. Meanwhile, Katrina tries to win over Louis and a British version of Harvey arrives at the firm.

When the town begins to run low on water, the residents of Chester’s Mill begin to fight for the remaining resources. Meanwhile, Julia discovers a strange connection that two of the town’s residents have with the Dome.

When the town begins to run low on water, the residents of Chester’s Mill begin to fight for the remaining resources. Meanwhile, Julia discovers a strange connection that two of the town’s residents have with the Dome.

When the town begins to run low on water, the residents of Chester’s Mill begin to fight for the remaining resources. Meanwhile, Julia discovers a strange connection that two of the town’s residents have with the Dome.