4x19: The Sovereigns
4x18: Off the Rails
4x17: The Invisible Woman
4x15: Flesh and Blood
4x14: Quid Pro Quo
4x13: Child of Mine
4x12: Behind the Ivy
4x11: Look Back in Anger
4x10: Imminent Danger
4x09: The Flying Carpet
4x08: Safe and Sound
8x04: Ian & Kelly
8x01: Iain & Leon
6x05: Hope & Kurt