Fringe: Season 2 Episode 10: Grey Matters
Starring: Anna Torv, Joshua Jackson, Lance Reddick, Kirk Acevedo, Blair Brown, Jasika Nicole, John Noble, Jared Harris
Length: 43 minutes
Fringe: S02E10 Description: Olivia and Peter look into some patients of mental institutions that regain their mental state after having gone through a brain intervention performed by a shape-shifter named Newton. This is directly related to Walter and his brain.