
Sanctuary — Season 4
Some hide. They seek.
About this season
The adventures of the beautiful, enigmatic and always surprising Dr. Helen Magnus, a brilliant scientist who holds the secrets of a clandestine population called Abnormals—a group of strange and sometimes terrifying beings that hide among humans. Magnus seeks to protect this threatened phenomena as well as unlock the mysteries behind their existence.
Episodes (13)

1. Tempus
6.9Aired 7 October 2011 • 45 min
Magnus has pursued Adam Worth back to 1898 London to stop him from altering and quite possibly completely destroying the future. As she battles to stop Worth, stay hidden from her past-self, and avoid taking any action that might change the events of history, Magnus must also figure out how to get back to her own present day timeline.

2. Uprising
6.7Aired 14 October 2011 • 45 min
As Hollow Earth Abnormals continue to arrive at the surface in droves, Will, Henry, Kate and Bigfoot scramble to prevent all-out war with the Lotus Security Forces. All the while, they are worrying about the whereabouts and safety of Magnus who was last seen heading to Praxis just before the city was destroyed.

3. Untouchable
6.6Aired 21 October 2011 • 45 min
With a government inspector threatening to cut off the Sanctuary's funding, Magnus and Will must explain a mission gone wrong. Meanwhile, Henry has a surprise visitor with some shocking news.

4. Monsoon
6.0Aired 28 October 2011 • 45 min
Magnus flies to a remote island in Africa to meet with the Sanctuary's new top secret advisor, but lands herself in the middle of a deadly hostage situation.

5. Resistance
6.7Aired 4 November 2011 • 45 min
The team tracks an аbnormal fugitive, and discovers that Tesla is the head of a secret research lab for a Homeland Security agency that conducts tests on Abnormals.

6. Homecoming
6.4Aired 11 November 2011 • 45 min
Will runs into unexpected trouble and personal revelations on a trip to the Liberian Sanctuary in Monorovia. Meanwhile, Magnus has her hands full when a couple of ne'er-do-well flying Abnormals recruit her help with a questionable scheme.

7. Icebreaker
7.0Aired 18 November 2011 • 45 min
When a team from the UK Sanctuary gets in trouble on a stranded icebreaker in the Bering Sea, Magnus and Will must figure out who is behind the mysterious happenings at sea.

8. Fugue
6.4Aired 25 November 2011 • 45 min
A mysterious abnormal attacks Abby, and Magnus and Will discover there's only one way to communicate with this unusual enemy - through music.

9. Chimera
6.6Aired 29 November 2011 • 45 min
Just when Magnus thought Adam Worth was gone forever, she and Tesla become trapped in a virtual Sanctuary, where they are attacked by an avatar of Worth – who is determined to enter the “real” world.

10. Acolyte
7.1Aired 9 December 2011 • 45 min
Kate returns from Hollow Earth with word that insurgents are about to strike an above-ground target – and may have inside help from a trusted member of Team Sanctuary.

11. The Depths
6.0Aired 16 December 2011 • 45 min
A quest to capture a legendary Abnormal in Bolivia leaves Will and Magnus injured and trapped in a cave-in, where they confront truths about themselves and their relationship. Henry records video letters to a special someone while working on an invention.

12. Sanctuary for None (1)
7.0Aired 23 December 2011 • 45 min
Magnus is approached by a notorious leader in Hollow Earth who is looking for assistance in building a new home on the surface for his insurgents, but problems arise when the world's government gets involved. Addison reactivates Will's federal commission.

13. Sanctuary for None (2)
7.1Aired 30 December 2011 • 45 min
With the new Abnormal Homeland now openly under threat, Henry and Tesla learn that the SCIU weaponized Tesla's work to use against Abnormals. Bigfoot and Kate investigate Caleb's rise to power while Will and Abby look into Magnus' past.