Sanctuary For All, Part 1 The enigmatic Dr. Helen Magnus recruits insightful forensic psychiatrist Will Zimmerman to join her in the quest to track, study and protect the strange and often terrifying creatures that secretly populate our world.
Fata Morgana Dr. Helen Magnus, her daughter Ashley, and the newest member to the Sanctuary, Dr. Zimmerman, travel to Northern Scotland to discover three women in an ancient crypt and bring them back to the Sanctuary for refuge and study.
Folding Man While investigating a series of strange robberies, the Sanctuary team encounters a group of thieves, who seem to possess a strange ability which apparently allows them to literally slip between the cracks of the law.
Kush While returning from a trip in Himalaya meant to capture an abnormal, Dr. Magnus and Will's plane crashes in a remote mountain range. But it soon appears that struggling to stay alive and wait for rescue is not the only thing they need to worry about, as the surviving passengers fall one by one to an unknown assailant.
Nubbins When two seemingly harmless abnormals arrive at the Sanctuary, the team finds themselves feeling some unusual animal attraction for one another.
The Five When Magnus encounters an old acquaintance in Rome, he tells her that the Cabal is planning to seek revenge on her for the events of "Fata Morgana". But she soon learns that his loyalty is not as intact as it was in their earlier days, when they were both part of a group called "The Five", within which members are connected by a secret protected for ages.
Edward Will probes a father's suicide and enlists the help of a gifted teen artist who may hold the key to explaining the man's death. Elsewhere, Ashley copes with Druitt's disclosure.
Requiem An underwater mission goes awry for Magnus and Will when their submarine encounters trouble in the Bermuda Triangle.
Warriors Will tracks a missing friend from his college days, and uncovers a secret fight club where the combatants battle to the death.
Instinct The team tracks a rare and dangerous creature in the presence of a local news crew.
Revelations, Part 1 Magnus and her team have to face the possibility of international biological warfare when a virus infects the abnormals, causing them to attack humans. John Druitt makes an unwelcome return to the Sanctuary as, he too, sees the significance of the situation and he tells them the Cabal are behind it. The leader of the UK sanctuary, Sir James Watson, contacts Helen and confirms John's story about the Cabal, meaning she has to work fast.
Revelations, Part 2 Ashley and Henry are captured by the Cabal after breaking into their weapons factory. While being restrained Ashley learns from Dana Whitcomb that the plan they have for the virus to be released worldwide will still go ahead. In a different part of the facility Henry is being kept strapped to a hospital bed. The Cabal intend to use chemicals to turn him into his abnormal state, and keep him that way.