In 1977, The Bad News Bears in Breaking Training had a moment in the sun. A glowing junk sculpture of American genres--sports flick, coming-of-age story, family melodrama, after-school special, road narrative--the film cashed in on the previous year's success of its predecessor, The Bad News Bears. Arguing against the sequel's dismissal as a cultural afterthought, Josh Wilker lovingly rescues from the oblivion of cinema history a quintessential expression of American resilience and joy.

Rushed into theaters by Paramount when the beleaguered film industry was suffering from...