'Fringe': 'Worlds Apart' in pictures
The Fringe teams from both worlds must once again team up to fight a common enemy - could it be David Robert Jones (Jared Harris)? Meanwhile, there's a shocking development in store for Olivia (Anna Torv), as yet more secrets from the Cortexiphan trials are revealed...
Fringe continues on Friday at 9/8c on Fox.
Photo gallery - view images from 'Worlds Apart' below: