Grimm Season 1 Episode 4 (11/18/11)
Nick and Hank investigate a Blue Beard who is a serial rapist and murderer. Their investigation leads them to his bed and breakfast where Hank is put under his spell.
With the help of Eddie, Nick is able to get a handle on the Blue Beard and save Hank, but not before he escapes. Thankfully, Hank placed a GPS tracker on his car and able to chase him down.
Meanwhile, Captain Renard scares a fellow Grimm hunter out of town who comes looking for Nick.