High Quality Content by WIKIPEDIA articles! Skynet is a fictional, self-aware artificial intelligence system which features centrally in the Terminator franchise and serves as the franchise`s main antagonist. Scarcely depicted visually in any of the Terminator media, Skynet`s operations are almost exclusively performed by war-machines, cyborgs (usually a Terminator), and other computer systems, with its ultimate goal the extinction of the human race.