1x09: Life
1x08: Time
1x07: Earth
1x06: Water
1x05: Light
1x04: Darkness
1x03: Air: Part 3
1x02: Air: Part 2
1x01: Air: Part 1
8x22: Everybody Dies
8x21: Holding On
8x20: Post Mortem
8x19: The C-Word
8x18: Body and Soul
8x17: We Need the Eggs
8x15: Blowing the Whistle
8x14: Love is Blind
8x13: Man of the House
8x11: Nobody's Fault
8x09: Better Half
