After five years of writing this Flintstones-esque caveman comic, cartoonist V.T. Hamlin abruptly began incorporating time travel and science-fiction elements, utterly transforming the strip. In Alley Oop, Hamlin created a unique concept, marrying his fascination with dinosaurs and prehistoric times to a rollicking style of storytelling and drawing that was simultaneously serious, fantastic, and loaded with slapstick. The series...