Episode 4.03 of The CW’s Supernatural, entitled “Monster Movie”, features a number of “classic” movie monsters, including a werewolf. Here’s the rundown, courtesy of the episode’s web page:
Dean and Sam investigate several murders at Oktoberfest. The first victim was found with bite marks on her neck, much like a vampire would leave, while the second victim has wounds that look like a werewolf attack.
And here’s a teaser!