When we left Sanctuary (or more accurately, when Sanctuary left us) at the end of Season 3, Magnus was following Adam back to Victorian England to prevent him from saving his daughter and changing the future. Of course, that means she may be seeing some acquaintances from her past. Not all are as pleasant as Dr. Watson. Ready, set, clip:

Welcome back, Sanctuary, we’ve been waiting!

Sanctuary Season 4 premieres tonight at 10/9c on Syfy.