SANCTUARY “Trail of Blood” Season 3 Episode 4 November 4, 2010 News, Sanctuary Watch a sneak peek of the upcoming episode of SANCTUARY “Trail of Blood” Season 3 Episode 4 which airs Friday November 5 at 10pm on Syfy. You can read all our Sanctuary coverage here. Episode Synopsis: SANCTUARY “Trail of Blood” Season 3 Episode 4 – Nikola Tesla surfaces, sending Helen an SOS from the Colombian Highlands – but Will doesn’t think he can be trusted. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)