2x02: Tooth and Claw
2x03: School Reunion
2x06: The Age of Steel
2x09: The Satan Pit
2x10: Love & Monsters
2x11: Fear Her
2x12: Army of Ghosts
2x13: Doomsday
3x01: Smith and Jones
3x03: Gridlock
3x07: 42
3x08: Human Nature
3x10: Blink
3x11: Utopia
