Ron Palillo, the class clown from "Welcome Back, Kotter," has died. The actor best known as Arnold Horshack from the 1970s sitcom was 63.

When John Travolta made his debut on “Welcome Back Kotter” 50 years ago, he was a relatively unknown actor with few acting ...

He was perhaps best known for playing high school student Arnold Dingfelder Horshack on the popular American sitcom Welcome Back, Kotter, which featured a young John Travolta, but he was also a ...

It ran for four seasons spanning 1975-79 and followed high school teacher Gabe Kotter (Gabe Kaplan) as he formed an unlikely bond with his class of students, known as the Sweathogs: Vinnie Barbarino ...

A bizarre e-mail correspondence between City Manager Paul Eckert and comedian Gabe Kaplan, has resulted in the release of a new book and the star of "Welcome Back Kotter" making an appearance in ...