"The Big Bang Theory: The Complete Fourth Season 4" is a box set DVD collection of the popular TV comedy series. Produced by Michael Collier and featuring actor Johnny Galecki, this edition includes all episodes of the fourth season with a total run time of 529 minutes. The DVD set also includes a slipcover and is presented in widescreen format, making it a must-have for fans of the show. With both Portuguese and English language options, this release from Warner Home Video offers hours of entertainment for viewers."