Peter

Summary

Walter explains to Olivia how Peter came from the alternate universe, and how he was willing to risk everything to save his son.

Guest stars

• Michael Cerveris as The Observer / September
• Eugene Lipinski as December
• Jenni Blong as Dr. Carla Warren
• Orla Brady as Elizabeth Bishop
• Quinn Lord as Young Peter
• Peter Woodward as August
• Serge Houde as General Hayes
• Julian Christopher as General Tonks