‘Sanctuary’ returns tonight on the Syfy Channel (10/9c) with a new episode that starts the second half of season 3.

In tonight’s episode “Pax Romana”, Magnus and the Sanctuary team face the challenge of Hollow Earth.

About the show:
Stem cells, gene therapy, transplants, cloning; The very meaning of the word “humanity” changes daily in the modern world. But there is a darker side to the evolution of mankind, a truth only a few brave souls are willing to face: There are monsters loose in the world. And they are the key to the future of our race.

The Syfy channel has already ordered 13 episodes for a fourth season of ‘Sanctuary’. It will begin production in the spring of 2011 for a possible fall premiere. ‘Sanctuary’ stars Amanda Tapping (‘Stargate SG-1′, ‘Stargate: Atlantis’), Robin Dunne (‘Dead Like Me’, ‘CSI: Miami’), Christopher Heyerdahl (‘Supernatural’, ‘Caprica’, ‘Human Target’), Ryan Robbins (‘Battlestar Galactica’, ‘Caprica’) and Agam Darshi (‘Watchmen’, ‘Stargate: Atlantis’).

Check out the promo here: