A Stargate is a means of transportation between two worlds, through artificial wormholes in the Stargate franchise; the Stargate franchise includes: Stargate (1994), Stargate SG-1, Stargate Atlantis, Stargate Universe and Stargate Infinity. The Stargates are used by different races, including: Humans, Asgard, Goa’uld, Wraith, the Ori and others. These Stargates are scattered across the universe on different worlds, creating a Stargate network, which was built by the Ancients.