Mila Kunis, Ashton Kutcher, Danny Masterson, Topher Grace, Laura Prepon and Wilmer Valderrama in 'That '70s Show'. Photo: Fox
Mila Kunis, Ashton Kutcher, Danny Masterson, Topher Grace, Laura Prepon and Wilmer Valderrama in 'That '70s Show'. Photo: Fox

Netflix announces 'That '70s Show' spin-off called 'That '90s Show'