As of July 2026, Sanctuary Season 4 aired in 2011 with 13 episodes — streaming now on Peacock Premium. Full episode guide and where to watch below.
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Sanctuary Season 4

2011 13 Episodes Action & Adventure · Sci-Fi & Fantasy ⭐ 7/10

If you want science fiction that respects its own premise, Sanctuary Season 4 is available on and right now. The show says what it needs to say in a single season, no filler. With 301 viewer ratings on TMDB, this is not a title flying under the radar. Watch it for Amanda Tapping — the performance elevates material that could easily tip into self-seriousness. Start it whenever you need something guaranteed to land.

Sanctuary Season 4 arrived without much fanfare and built its audience the hard way — through word of mouth. What makes Sanctuary Season 4 work is that the ideas never crowd out the people having them. Season 4 of Sanctuary includes 13 episodes. It aired from October 2011 to December 2011. This season stars Amanda Tapping, Robin Dunne and Christopher Heyerdahl. Amanda Tapping and Robin Dunne lead a cast that brings real weight to the material. It was aired in 2011. What separates Sanctuary Season 4 from lesser genre entertainment is a willingness to let the concept cost the characters something. There is real craft here, even in the moments that do not fully land.

For late-night viewing or a proper weekend binge, Sanctuary Season 4 fits the bill. It rewards viewers regardless of what else is in their watch history. Short enough to finish in a weekend, substantial enough to feel satisfying. Amanda Tapping's performance is the anchor the more ambitious moments need. The world-building pays off in ways you will not anticipate on a first watch.

📡 Where to Watch Sanctuary Season 4

🇺🇸 United States
🇬🇧 United Kingdom
🇨🇦 Canada
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🎬 Sanctuary Season 4 — Episode Guide

E1
Tempus
2011-10-07
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 b...
E2
Uprising
2011-10-14
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 wa...
E3
Untouchable
2011-10-21
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.
E4
Monsoon
2011-10-28
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.
E5
Resistance
2011-11-04
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.
E6
Homecoming
2011-11-11
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.
E7
Icebreaker
2011-11-18
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.
E8
Fugue
2011-11-25
A mysterious abnormal attacks Abby, and Magnus and Will discover there's only one way to communicate with this unusual enemy - through music.
E9
Chimera
2011-11-29
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.
E10
Acolyte
2011-12-09
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.
E11
The Depths
2011-12-16
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.
E12
Sanctuary for None (1)
2011-12-23
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.
E13
Sanctuary for None (2)
2011-12-30
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.

🎭 Cast of Sanctuary Season 4

Amanda Tapping
Amanda Tapping
Dr. Helen Magnus
Robin Dunne
Robin Dunne
Dr. Will Zimmerman
Christopher Heyerdahl
Christopher Heyerdahl
John Druitt / Bigfoot
Ryan Robbins
Ryan Robbins
Henry Foss

📋 All Seasons of Sanctuary

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