Question: why is eric not in the last season of that 70s show

title: That '70s Show (season 8)
text: The eighth and final season of the American comedy television series That ' 70s Show premiered November 2 , 2005 on Fox in the United States . The season ended on May 18 , 2006 with an hour - long series finale . The eighth season was the only season without the show 's star Topher Grace who portrayed Eric Forman , the central character , since he left the series at the end of the previous season . Eric was often mentioned throughout the season , even being an important off - stage character central to an episode 's plot upon occasion . Topher Grace returned as Eric for the final episode , although his role was brief and uncredited . 

Answer: answer: The eighth season was the only season without the show's star Topher Grace who portrayed Eric Forman, the central character, since he left the series at the end of the previous season. Topher Grace returned as Eric for the final episode, although his role was brief and uncredited.