The highly anticipated 1982 sequel failed to meet expectations at the time but has since charmed an adoring following with its ambitious dance numbers and nonstop ear worms.

Maxwell Caulfield (left) and Michelle Pfeiffer in 'Grease 2' “It's a really good question. And of course I was terrified,” Pfeiffer confessed. “You know, look, it's John Travolta, Olivia Newton-John ...