In the season finale, Magnus goes on an action packed journey to find the secret labyrinth in the decimated city of Bhalasaam. Elsewhere, Henry and Ashley are held captive by the Cabal.

In part 1, the Cabel and the release of the pathogen are linked which causes humans to be attacked by abnormals, prompting Mangus to seek out the remaining members of "The Five."

The team tracks a rare and dangerous creature while a news crew is watching them.

While tracking down a missing friend from his college days, Will discovers a secret fight club where it's a fight to the finish.

Mangus and Will's underwater mission goes awry when their submarine nears the Bermuda Triangle.

Will probes the suicide of a father and receives help from a gifted teen artist who may hold the key which explains the man's death. Elsewhere, Ashley must handle what Druitt has disclosed.

Mangus heads to Rome to attend a secret meeting for abnormals, and learns from an old colleague that she is being tracked. Meanwhile, investigates disturbing situations at the Sanctuary.

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While on a return flight from the Himalayas, Will and Helen's plane crashes leaving them stranded on an island.

Helen and Will are led to a unusual ring of criminals during a probe of strange robberies.

Helen, Ashley and Will release three women from a crypt while in Scotland and return them to the Sanctuary.

A forensic psychiatrist is on the trail of an odd boy who left a crime scene, and comes upon a doctor with a strange proposition.

A forensic psychiatrist is on the trail of an odd boy who left a crime scene, and comes upon a doctor with a strange proposition.