Blast to the Past

Blast to the Past

It's back to the past for Walter on part one of the Fringe season four finale. He must head back there in order to, you know, save the world.
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Fringe Season 4 Episode 21 Quotes

Jessica: What are you?
Walter: I'm human, what are you? Is this some sort of alien invasion? Are you part of a strike?

Peter: Three bedrooms and a dog run...
Olivia: Nursery?
Peter: Nursery?