Beloved sci-fi icon Leonard Nimoy had announced he'd retired from acting a couple years back, but surprise, surprise - there he was on Fringe last week, returning as William Bell ! Albeit as a much darker, more villainous version of Bell.

Fringe Renewed for Season 5

With the Fringe season finale airing this Friday, check out this first look at Nimoy and John Noble discussing the return of William Bell and what it means for the relationship between Bell and Walter Bishop Check out the second part of the interview that has now been released!