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Watch Fringe Season 4 Episode 21 online via TV Fanatic with over 6 options to watch the Fringe S4E21 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Amazon Prime.

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Episode Details

Walter must revisit his past this week when a mysterious event threatens the world. It's part one of the season four finale.


Rating: 4.7 / 5.0 (132 Votes)
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Episode Number:
21

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?