When people tuned into Happy Days 51 years ago, they witnessed a dark moment in sitcom history, and now a Fonzie fan theory might finally explain it.

Nor did I ever." In the book, Winkler describes that while "Happy Days" was designed to have Howard be the star, his greaser role had taken off. Winkler was quickly given a raise from ABC.

Winkler immediately sashayed his hips, channeled his Happy Days greaser, and got the iconic theme song running on the jukebox before signing off with a Fonz-arrific, "Nice to see 'ya." ...

It was a Happy Days 50th anniversary reunion tonight at ... their children Richie and Joanie, and Richie’s greaser friend Fonzie in the 1950s and early ’60s. Richie, along with his pals ...

Garry Marshall's sitcom "Happy Days" provided ABC with a welcome ratings ... Winkler to television stardom as the cool, kind-hearted greaser Arthur "Fonzie" Fonzarelli was struggling to stay ...

LOS ANGELES – Here's a big tip when speaking to Henry Winkler: Don't refer to the beloved star of "Happy Days" and HBO's "Barry ... typecast as the lovable greaser. But at a Dallas fan event ...

When “Happy Days” creator Garry Marshall envisioned ... which took place in 1962 and also featured Howard. The play “Grease,” set in the ‘50s, was likewise a big hit at the time.

And he’s enjoying it all. The actor, who made his mark as greaser Fonzie in the ‘70s sitcom "Happy Days," is having the time – and workout – of his life as jaded acting teacher Gene ...

"Come on, you know you could do it." Winkler immediately sashayed his hips, and channeling his Happy Days greaser, got the iconic theme song running on the jukebox, signing off with a Fonz-arrific ...