1x05: Personality Crisis
6x05: Now
6x03: Thank You
6x02: JSS
5x04: Slabtown
5x01: No Sanctuary
5x02: Strangers
5x05: Self Help
5x06: Consumed
5x07: Crossed
5x08: Coda
5x10: Them
5x11: The Distance
5x12: Remember
