AnĀ amnesiac Olivia makes her return from the parallel universe, while Walter, Pete, and Junior Agent Amy Jessup investigate the mysterious death of a man found with puncture holes in his palate. Meanwhile, Broyles defends the Fringe Division from a Senate subcommittee threatening to shut the organization down.
Quest roles:
Kirk Acevedo(Charlie Francis), Simone Kessell, Adrian Holmes(Forensics Chief), Ari Graynor(Rachel), Tegan Moss, Christian Vincent(Surgeon), Meghan Markle(Junior FBI Agent Amy Jessup), Stefan Arngrim(Store Owner), Ken Camroux-Taylor(Old Senator), Douglas Chapman(Agent), Neil Schell(Second Senator), Chris Shields(Special Agent Fisher)