1x22: The Source Awakens
1x19: Source Material
1x18: The Replacement
1x16: Memento Mori
1x15: Switches & Stones
1x14: Touched by a Demon
1x13: Manic Pixie Nightmare
3x06: Decoherence
3x08: Crisis Theory
3x07: Passed Pawn
3x02: The Winter Line
3x01: Parce Domine
4x19: The Sovereigns
4x18: Off the Rails
4x17: The Invisible Woman
