Fox has unveiled a new trailer for the season 4 finale of their sci-fi drama, Fringe. Get your first glimpse at the season ender of the two-part finale below.

In the climactic conclusion of the Season 4 finale, the Fringe team is pushed to their breaking point as they desperately attempt to prevent a catastrophic event that threatens the lives of everyone. The first part of the finale aired last week. You can catch the second part, Brave New World: Part 2, this Friday on Fox.