Top 10 Happy Days Episodes from seasons 1-6

Hypnotic suggestion during research for science editor Richie's college newspaper article leaves phobic Ralph Malph fearless.

No one believes Richie's claims that he not only saw a flying saucer but personally interviewed its pilot, an alien named Mork, who tried to take him back to planet Ork as an example of an average, humdrum human.

Soon after patting himself on the back for convincing drop-out Fonzie to drop back into high school, Richie risks his neck by refusing to help the intimidating tough cheat on a test.

Richie Cunningham's dreams seem about to come true when he's invited to babysit with Mary Lou Milligan, a pretty girl with a racy reputation.

Howard Cunningham agrees to buy one of Fonzie's overhauled dragsters as a second family car but Richie soon discovers that its red color may not be the only reason that the hotrod's hot.

Richie gets an in for an interview with famous children's entertainers Bob Smith and Howdy Doody when little sister Joanie appears on the television show to present the popular puppet with the Chipmunk of the Year Award. But Richie is later confronted with an ethical dilemma after Life magazine offers to buy his one-of-a-kind photo of clown Clarabelle caught without his makeup.

The height of the Cold War and fears of an apocalyptic war breaking out at any moment take center stage in this episode, where Howard ponders purchasing a bomb shelter for his family's protection. Richie's friends quickly learn about the shelter and ask if, in the event of war, they can stay too.

Richie's band hunts for a piano player, Howard and Marion practice their bridge signals, and Fonzi plans a sting on the shyster who duped Chachi into selling a miracle wax that soon destroys what it shines.

The Cunninghams and their friends go west to help run Marion's injured Uncle Ben's Colorado dude ranch, soon finding that they only have five days to pay the balance on a loan owed to nasty neighbor, H.R. Buchanan, to save it from foreclosure.

Surgery fixes the Fonz's injured knee but the Cunningham's coddling and his fear that pain will make him appear "uncool" keeps him lying on the couch, until Richie resorts to extreme measures to get Fearless Fonzarelli walking again.

Uno scienziato ossessionato assembla un essere vivente da parti di cadaveri riesumati.

Alieni, con le sembianze di pagliacci, vengono dallo spazio profondo e terrorizzano una piccola città .