How many seasons has That 70s Show been on the air?
The show is currently in its fifth season. It originally aired the pilot episode in 1998. Season One contained 25 episodes, Season Two contained 26 episodes, Season Three contained 25 episodes, and Season Four contained 27 episodes and one hour long Behind the Scenes Special. Recently, almost all the cast have signed on for two more seasons, making the final count (as of now) seven seasons.