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.
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see all options Availability data: JustWatch
- Seasons
- 4
- Episodes aired
- 59
- Latest aired
- S04E13
- Total runtime
- 1d 20h
Timeline when each season aired
- Season 1 October 2008 – January 2009 13 episodes
- Season 2 October 2009 – January 2010 13 episodes
- Season 3 October 2010 – June 2011 20 episodes
- Season 4 October 2011 – December 2011 13 episodes
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S03E01 Kali (3)
October 15 · 45min find the promo
Show synopsis
The Sanctuary team must find and stop Kali before the tidal wave could kill millions. Meanwhile, in Mumbai, Will is still fighting for his life.
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S03E02 Firewall
October 22 · 45min find the promo
Show synopsis
Will suffers from amnesia regarding the events of his near-death experience, but some unwanted visitors become intent on finding out what is locked in his memory.
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S03E03 Bank Job
October 29 · 45min find the promo
Show synopsis
The team goes on a routine mission to retrieve an Abnormal and take it to safety. But the mission becomes anything but routine when they are forced to stage a bank heist in order to protect the public from harm.
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S03E04 Trail of Blood
November 5 · 45min find the promo
Show synopsis
Nikola Tesla surfaces, sending Helen an SOS from the Colombian Highlands - but Will doesn't think he can be trusted.
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S03E05 Hero II: Broken Arrow
November 12 · 45min find the promo
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Kate gains super-hero-like abilities when an Abnormal attaches itself to her for safe keeping.
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S03E06 Animus
November 19 · 45min find the promo
Show synopsis
Word of a possible werewolf sighting prompts Henry and Will to visit an English psychiatric facility. As they probe a potential connection to Henry's Hyper Accelerated Protean past - and future - Magnus and Tesla investigate the mysterious holographic city.
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S03E07 Breach
November 26 · 45min find the promo
Show synopsis
Magnus responds to an anonymous call for help at an abandoned building. But when she gets trapped inside, she discovers whoever made the call has a very different agenda.
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S03E08 For King and Country
December 3 · 45min find the promo
Show synopsis
With Adam on lockdown at the Sanctuary, Magnus investigates his connection to Hollow Earth - and Druitt - while being forced to reveal dark secrets about the chaotic origins of the Five.
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S03E09 Vigilante
December 10 · 45min find the promo
Show synopsis
Will takes command of the Sanctuary while Magnus and Druitt search for a critical artifact in London. Knowing that Magnus's only hope for a cure lies in the secret subterranean city, Will ignores her warnings and releases Adam-Hyde in the hope that he will lead them to an access point for Hollow Earth.
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S03E10 The Hollow Men
December 17 · 45min find the promo
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Seeking a gateway to the secret subterranean city, Magnus leads a treacherous mission to Tibet - telling a bitter Adam that he must stay behind while promising to bring back a cure for their radiation sickness. Because of their source blood, Magnus insists that Tesla and Druitt stay behind as well, taking the only shield Tesla was able to construct for herself. The hidden city, however, is rigged with deadly security traps - and death awaits the team at every turn.
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S03E11 Pax Romana
April 15 · 45min find the promo
Show synopsis
Magnus is revived to answer Ranna's questions and soon figures out that despite Ranna's efforts the city is in great deal of trouble and the fall of Praxis could also threaten the surface world however Magnus is able to help. Magnus and Ranna makes an understanding to help and she revives rest of the gang. Magnus manages to save the city with the help from Gregory Magnus meanwhile Will tries to breakdown Adam's plan that can cause huge trouble.
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S03E12 Hangover
April 22 · 45min find the promo
Show synopsis
Returning home from an overnight trip, Magnus is stunned to find the Sanctuary in a complete and utter shambles - only hours before a scheduled inspection by a UN Security Team. A bruised and battered Henry only adds to the mystery by claiming that he was attacked by Will.
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S03E13 One Night
April 25 · 45min find the promo
Show synopsis
Looking to share a quiet, "normal" evening out with Abby, Will and his date are abducted en route to the restaurant by a desperate gang leader who faces certain death without their help. Then, upon learning the abductor's identity, Magnus suddenly ceases all attempts at rescue.
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S03E14 Metamorphosis
May 2 · 45min find the promo
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Will's transformation has him literally climbing the walls.
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S03E15 Wingman
May 9 · 45min find the promo
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Will and Henry's double date goes awry when Magnus tasks them with an Abnormal delivery.
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S03E16 Awakening
May 16 · 45min find the promo
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Magnus and Tesla investigate a former Praxian stronghold and unintentionally stumble on vampiric secrets.
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S03E17 Normandy
May 23 · 45min find the promo
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Discover Magnus' role in a turning point of World War II history.
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S03E18 Carentan
June 6 · 45min find the promo
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A colleague vanishes amid unexplained disappearances in Normandy, France, where Magnus and her team run into a military blockade during their investigation
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S03E19 Out of the Blue
June 13 · 45min find the promo
Show synopsis
Helen and Will find themselves in an alternate reality, living as suburban neighbors, who experience unsettling dreams that disrupt their new careers.
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S03E20 Into the Black
June 20 · 45min find the promo
Show synopsis
Receiving word that a large group of Abnormals has been spotted near a South Dakotan cave entrance, Magnus realizes it's the first wave of Abnormals emerging from Hollow Earth.