The alternate universe Fringe Division investigates a shocking breach of security when a twin frees his brother from a quarantined Amber area. As the team sets out to crack this sophisticated case, Walternate experiments over there more with Olivia a... (more)s she reenters the tank. Meanwhile, visions of Peter continue to haunt Olivia about returning to the “other side”.
Aaron Ashmore, Amy Madigan, Chaz Chamberlain, Holly Elissa, Kirk Acevedo, Nate Bell, Ryan McDonald, Seth Gabel, Shawn Ashmore