Nick and Juliette try to figure out how a demon possession involves the Wesen Council on Grimm."Stories We Tell Our Young" is the sixth episode of the show's third season.
Nick continues his investigation into the attacks on the undead on the season finale of Grimm. "Goodnight, Sweet Grimm" is the 22nd episode of the show's second season.
Nick and Hank suspect zombies when they investigate people who have died more than once on Grimm. "The Walking Dead" is the 21st episode of the show's second season.