: A device planted in a public escalator releases nanites into riders, causing them to ignite if they move.
: During a confrontation, Jones discovers he was merely a "bishop" sacrificed in Bell’s larger "chess game". Olivia uses her Cortexiphan powers to telekinetically control Peter’s body, allowing him to defeat Jones, who kemudian disintegrates into ash. Watch www xrysoi se Fringe S04E21
In , titled "Brave New World: Part 1," the Fringe team faces a catastrophic event where victims spontaneously combust due to nanotechnology. This episode serves as the first half of a two-part season finale, originally produced to potentially conclude the series. Key Plot Points : A device planted in a public escalator