Here's the fascinating story of Vincent T. Hamlin, the innovative Iowa-born cartoonist who created the long-running comic strip ALLEY OOP-now celebrating it's 75th Year! With a lively rock score, pop art imagery and a cast of celebrated cartoonists, CAVEMAN explores the history of the dinosaur-packed comic that inspired the popular '60s song, and paved the way for THE FLINTSTONES and JURASIC PARK. Filmmaker Max Allan Collins knows the world of comics, writing the world-famous DICK TRACY strip and creating the classic graphic novel ROAD TO PERDITION basis of the Academy Award winning Tom Hanks film.