'Fringe': 'Subject 9' in pictures
This week's Fringe is titled 'Subject 9' - could there be a link to last season's superb flashback episode 'Subject 13'? Well, this new instalment also focuses on Olivia's past and the Cortexiphan experiments...
Meanwhile, a mysterious force is amassing power and shut-in Walter is forced to leave his lab for the first time in years - at least in this reality!
'Subject 9' airs this Friday at 9/8c on Fox. Fringe continues on Wednesdays at 10pm on Sky1 in the UK.
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Take a look at a gallery of images from this week's Fringe below: