"Brave New World" | |
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Fringe episode | |
Episode no. | Season 4 Episode 21/22 |
Directed by | Joe Chappelle |
Written by |
J. H. Wyman Jeff Pinkner Akiva Goldsman |
Production code | 3X7021 3X7022 |
Original air date | May 4, 2012 (Part 1) May 11, 2012 (Part 2) |
Guest appearance(s) | |
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Episode chronology | |
"Brave New World" is the two-part finale of the fourth season of the Fox science-fiction drama television series Fringe, and the series' 86th and 87th episodes overall. The episode, at the time of its writing and production, was created to be a possible series finale if the show was not renewed for a final season. As such, the episode not only resolves many of the plot lines introduced for the fourth season, but also several long-running plots throughout the show's run. In the episode, the Fringe division learns that Walter Bishop's old colleague, William Bell, has been in control of David Robert Jones' actions to collapse both universes in an attempt to create a new universe under his own control, and the Fringe team must make sacrifices to put an end to Bell's plans.
Both parts were co-written by Jeff Pinkner, J. H. Wyman, and Akiva Goldsman. Joe Chappelle served as director. Leonard Nimoy, though having previously stated his retirement from acting, reprised his role of Dr. William Bell. Rebecca Mader also guest starred as Jessica Holt, a person-of-interest to Fringe division.
Several people in an office complex suddenly exhibit signs of spontaneous combustion and die; others witnessing it realize that the symptom is onset by movement and stand perfectly still as help arrives. As Fringe division investigates, they find a device planted in the building's escalator system that released nanites into those that rode it, triggering the combustion by body movement. One survivor, Jessica (Rebecca Mader), offers to be a test subject for Walter (John Noble) as he tries to discover a cure. When Jessica's body temperature starts to rapidly rise before the cure is synthesized, Olivia (Anna Torv) uses her Cortexiphan abilities to slow Jessica's system, which stops the nanites and allows Peter (Joshua Jackson) to inject the cure into her system.