The continuing missions of SG1 and friends as they explore the galaxy using ancient technologies and alien hardware.
Watch Stargate: The Ark of Truth
SG-1 search for an Ancient artifact called the Ark of Truth to finally defeat the Ori. However, the Ark is in the Ori's galaxy.
Watch Stargate: Continuum
Ba'al travels back in time and prevents the Stargate program from being started. SG-1 must somehow restore history.