SG-1 searches for an ancient weapon which could help them defeat the Ori, and discover it may be in the Ori's own home galaxy. As the Ori prepare to send ships through to the Milky Way to attack ...

excitedly goes into detail about the science behind the Stargates before becoming crestfallen over Emmett's desire to watch it spin. In fact, the only member of the Stargate SG-1 team who responds ...