A lithe and lucid look at Dr. Feelgood, a “pub-rock” band that broke up shortly before hitting the big time, which serves as a “prequel” to Temple’s other films about The Clash and the Sex Pistols. Through a series of interviews, it becomes clear how four boys from Canvey Island paved the way for punk with their prescient sound, sardonic attitude, and outlandish stage shows. As much a study of the band as of the place that shaped them, this unforgettable documentary will energize even the most jaded sprog.