Sanctuary - Season 4 (2011)

Since the UN no longer backs the Sanctuary, Magnus makes other arrangements for her finances. A planned meeting in Africa with a potential banker turns into a hostage situation. Will and Henry search for an abnormal in the Old City tunnels.

Helen and Henry break into a government abnormal research facility called SCIU - only to find it is run by Tesla. Biggie and Will deal with an annoying abnormal named Galvo.

Will's trip to Liberia turns bad when he suffers a head trauma from an attack. The trauma brings up powerful memories about his mothers death and the inadequacies of his father. Magnus deals with be-winged scam artist.

Henry and Declan lead a team to rescue a crew of a Russian icebreaker and the abnormal passengers.

FBI Agent Abby Corrigan's life is endangered after she is suddenly attacked by an unfamiliar abnormal during an investigation; Magnus and Will's heated debate over the best way to help Abby threatens to permanently alter their relationship.

There is a sentient organic nanite causing havoc in the computer system in the Sanctuary. Magnus and Tesla connect their minds to the system in an effort to isolate the nanite. They find Adam Worth instead.

A radical group of abnormal beings plan a terrorist attack with the goal of starting a war between surface dwellers and hollow Earth inhabitants. To Magnus' disbelief, Addison, at the NSA, has proof of Biggie's leadership of the group.

When Magnus and Will learn of a plan to capture very rare and dangerous Abnormal, they travel to a remote cave to prevent then hunt.

When the Sanctuary is approached by an abnormal leader about a radical plan for peace, Magnus goes all in and pledges her full support. However, when Will is forced to leave the Sanctuary, his decision may just put everyone at risk.

SCIU has surrounded the 5th Ward with troops and an electric shield that prevents them from leaving. Caleb has a virus that can turn the human population into abnormals. Magnus enacts her ultimate plan for the Sanctuary network.