Travolta plays Danny Zuko, a leather-clad wild teenager (he was 24 at the time but his character was only 17) who becomes smitten with Sandy Olsson (Newton-John), a beautiful but "square" student at Rydell High School.
Having grown up on the farm where the series, along with its British predecessor Wildat Heart, is filmed, he knows not only the space but also, and more important, the 60-plus animals that call it home.