'Fringe': Now that Leonard Nimoy is back, vote for your favorite villain

"Fringe" has had some great villains over the years, but the return of Leonard Nimoy as William Bell in the first part of the season finale "Worlds Apart" might mean the end of both universes. Bell wants to create his own new world and it doesn't matter who dies in the attempt.

After four seasons, we want to know who your favorite villain is. The nefarious David Robert Jones (Jared Harris)? Alt Nina (Blair Brown)? Belly? Or is it someone else? Vote for your choice in our poll.

Before the finale, check in to Get Glue to relive some of your favorite moments with "Fringe" stickers like the ones below. What was your favorite moment? We want to hear your thoughts. "Fringe" airs Friday nights on FOX.