1x02: II
1x01: I
4x03: Halloween 4: The Witch
1x07: Episode 7
1x06: Episode 6
1x05: Episode 5
1x04: Episode 4
1x03: Episode 3
1x02: Episode 2
1x01: Episode 1
2x08: Thank You, Dr. Crane
2x06: Dreadnought
2x04: The Other Army
2x02: St. Paul's
1x08: This Is Nowhere Part 2
1x07: This Is Nowhere Part 1
