Stargate SG-1: The complete ninth season

Disc 1: Avalon ; Avalon, part 2 ; Origin ; The ties that bind

Disc 2: The powers that be ; Beachhead ; Ex deux machina ; Babylon

Disc 3: Prototype ; The fourth horseman ; The fourth horseman, part 2 ; Collateral damage

Disc 4: Ripple effect ; Stronghold ; Ethon ; Off the grid

Disc 5: The scourge ; Arthur's mantle ; Crusade ; Camelot.