Blair Brown and Lance Reddick reveal what Fringe fans really want to know about this season. "If our William Bell is over in their universe, what's their William Bell doing? What happens when two of the same people meet in the same universe?" Reddick ponders. Brown has an answer. Also, we learn more about the Fringe Division as we delve into Broyles' background and find out more about Meghan Markle's new FBI agent.

Fringe: The Story Behind "The Kiss"

Plus: When will everyone realize that Charlie isn't actually Charlie?