and Tommy Chong (Leo) all guest-starred. Prepon also directed 10 of That ’90s Show. “I’ve loved every minute of getting to bring Grandpa Red to life for you all. I’ve said it before but it ...

Tommy Chong will be reprising his role as the hippie Leo, and viewers are promised ... between some of our favorite characters. ‘That 90’s Show’ is filled with nostalgia, not only because ...