'Fringe': 'Nothing As It Seems' in pictures
Of course, David Robert Jones (Jared Harris) is linked to the genetic experiment that created the beast, but as our heroes seek to thwart the sinister scientist once more, it becomes clear that only the strongest will survive...
Fringe continues on Friday at 9/8c on Fox. In the UK, the show airs on Sky1.
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Photo gallery - view images from 'Nothing As It Seems' below: