To put it concisely, Sanctuary is a wonderful--if somewhat unoriginal--show with positive messages about challenging the system, having an adjustable world view, and accepting everybody for who they are. The effects and atmosphere were pretty decent for TV, and the camera work was downright excellent. Acting was also top notch, and while somewhat predictable, the actors were mostly very engaging. Yes, there is quite a bit of violence, some of it rather bloody, but none of it was unduly graphic. Still, this is probably best for teens and up.
This would have been the IDEAL show if it were not for the whole vampire tie-in.. At first, I thought this show was great and all but the vampire stuff just ruins it. Too bad. In addition they said a LOT of 'b' words. It was just ridiculous. Other than that though, the plot line was AMAZING! But, the vampire stuff killed it with a spoon. =/
Sanctuary is very entertaining and sparks interest in the origin of monster myths. It is most appropriate for kids who are interested in sci fi and who know monsters don't exist.
Kinda dark, and thus spooky, occasional violence, but not too bad. Mild flirting. Stargate: SG-1 fans will want to see Amanda Tapping in her new role as Helen Magnus. Not much like Samantha Carter, though.