Grease: Theme Only in the 90's are we fully beginning to appreciate this 70's movie about the 50's. GREASE is a cult favorite that appeals to everyone from teenagers to nostalgic baby boomers, even people like me who aren't too fond of musicals. So what's the appeal? Let's start with John Travolta. He's been enjoying the comeback of a lifetime these past two years and so have all his old movies. Saturday Night Fever, Grease, Urban Cowboy, they get rented out of the video store on a daily basis. People are so Travolta-hungry they watch the dread American Bandstand reruns on VH1 waiting for the one episode he performed (i.e. lip-synched) in. The