Octopus Head(2014): "grimm"

: This external threat mirrors Nick Burkhardt’s internal struggle. Having lost his Grimm powers at the end of Season 3, Nick is essentially "losing" a part of his identity. The episode explores the "torture" of remembering what it was like to be powerful while being currently "powerless" to help. Major Plot Developments

: Played by Brian Letscher, this Wesen targets people in the defense industry to steal sensitive information, leaving them in a permanent state of dementia. "Grimm" Octopus Head(2014)

"Man is not what he thinks he is, he is what he hides." — Alexander Smith Grimm: Octopus Head review | Den of Geek : This external threat mirrors Nick Burkhardt’s internal

: Adalind Schade, held captive in Vienna, discovers she is now physically and psychically linked to Nick—every sensation he feels, she feels, and vice versa. Major Plot Developments : Played by Brian Letscher,