Sanctuary

Magnus travels back to 1898 London to stop Adam Worth from altering the future, while navigating the challenges of avoiding detection by her past self and ensuring history remains unchanged, all while seeking a way to return to her own time.

With increasing numbers of Hollow Earth creatures emerging onto the surface, Will, Henry, Kate, and Bigfoot work urgently to avoid a full-scale conflict with the Lotus Security Forces, while also growing increasingly concerned about Magnus, who disappeared after heading to Praxis just before its destruction.

As a government inspector threatens to withdraw funding from the Sanctuary, Magnus and Will face the challenge of justifying a botched mission. At the same time, Henry receives an unexpected visitor who brings startling revelations.

Magnus travels to a remote African island to meet with a new, high-level advisor for the Sanctuary Network, only to become entangled in a dangerous hostage crisis.

The team pursues a fugitive with unusual abilities and uncovers a secret Homeland Security research facility led by Tesla, where experiments are conducted on Abnormals.

Will encounters unforeseen challenges and personal discoveries during a visit to the Liberian Sanctuary in Monrovia, while Magnus is drawn into a dubious plan by two mischievous flying Abnormals seeking her assistance.

A UK Sanctuary team encounters trouble aboard a stranded icebreaker in the Bering Sea, prompting Magnus and Will to investigate the unusual events unfolding at sea.

Abby is attacked by an enigmatic entity, prompting Magnus and Will to uncover that the only way to interact with it is through music.

Magnus and Tesla find themselves trapped in a virtual version of the Sanctuary, where they are confronted by an avatar of Adam Worth, who seeks to break into the real world.

Kate returns from Hollow Earth with news that insurgents are planning an attack on a surface target, possibly with assistance from someone within Team Sanctuary.

Will and Magnus are injured and trapped in a cave after attempting to capture a powerful Abnormal in Bolivia, forcing them to face difficult personal truths. Meanwhile, Henry records video messages while working on a new invention.

Magnus is contacted by a prominent Hollow Earth leader seeking help to establish a surface base for his insurgents, but complications emerge as global authorities take notice. Addison works to reinstate Will's federal status to assist in the situation.

As the Abnormal Homeland faces open danger, Henry and Tesla discover that the SCIU has weaponized Tesla's research against Abnormals. Meanwhile, Bigfoot and Kate examine Caleb's growing influence, and Will and Abby delve into Magnus's history.