Karen Holness

The Fringe Division undertakes a puzzling investigation into why victims are disintegrating into ash; the case casts light on Broyles' past; personal details about the division leader emerge.

An emotional and familiar case hits home for Broyles; Olivia reunites with Henry to enlist his services on a covert mission to return home.

Peter struggles to cope with recent events; Olivia searches for an ally; a device that communicates between universes is discovered.

Walter travels to the Alternate Universe to assist in the investigation of a Fringe event with ties to both worlds. Meanwhile, David Robert Jones reveals his next target.

While setting up a charity garage sale, Jennifer Shannon discovers a body in the attic of a nearby home.

As Mary Margaret goes into labor, the residents of Storybrooke work to protect her and the baby from Zelena; Glinda tries to convince Zelena to join her as a protector of Oz.