3x19: Shades of Gray
3x21: Into Asylum
3x24: I Am Sylar
3x25: An Invisible Thread
4x01: Orientation
4x02: Jump, Push, Fall
4x04: Acceptance
4x05: Hysterical Blindness
4x06: Tabula Rasa
4x07: Strange Attractors
4x09: Shadowboxing
4x10: Brother's Keeper
4x11: Thanksgiving
4x12: The Fifth Stage
4x13: Upon This Rock
4x14: Let It Bleed
