>> washington is a basketball player, cool guy. >> hi there. >> epstein is the tough guy. >> come on, watching a fight i ain't in, it makes me nervous. >> horshack is the nerd. >> did you know that horshack means the cattle are dying? [ animal noises ] >> when "welcome back kotter" premiered, we were a hit. >> and suddenly, abc attracted this audience that had been so underserved by prime time tv. the kids, the teens, the young people. there's room for them, for a new kind of show. >> and that is the tale of the fonz. >> aaayy!