NOTE:
NBC has changed the airing day to Saturdays, but Canadian channel CityTV continues to air them on Thursdays, which means the episode is already available online.
Just in case others haven't seen it, until Saturday night use spoilers tags when discussing this episode.
episode summary
Carvings symbolizing the Great Red Dragon are retrieved from crime scenes, casting light on Francis Dolarhyde's warped psyche. Meanwhile, both Dolarhyde and Will seek the wisdom of Hannibal Lecter.
promo