Relive the original moment that Fonzie (Henry Winkler) rises to the challenge and "jumps the shark," leather jacket, swim trunks and all! Space creature Mork from Ork (guest star Robin Williams) visits the peaceful Cunningham household and newcomers Chachi (Scott Baio), Lori Beth (Lynda Goodfriend), and Leather Tuscadero (Suzi Quatro) take the stage for the first time. These 27 unforgettable episodes feature the whole gang, Richie (Ron Howard), Potsie (Anson Williams), Ralph (Donny Most) and all the good times that made Happy Days Season Five an iconic part of television history.