1x10: The Big Vent
1x08: The Buying Game
1x06: William, Tell
1x05: Boo! Humbug
1x03: Head Case
4x10: Episode 10
4x09: Episode 9
4x08: Episode 8
4x07: Episode 7
4x06: Episode 6
4x05: Episode 5
4x04: Episode 4
4x03: Episode 3
4x02: Episode 2
4x01: Episode 1
3x10: Episode 10
3x09: Episode 9
3x08: Episode 8
