Big Bang Comics is a collectibles and comic books shop located on Broad Street in Sewickley. The shop, run by Dave and Beth Bishop, offers a wide range of comic book selections, as well as graphic novels, memorabilia, toys, posters and Magic the Gathering cards and products, among many other items. The shop also features a clothing section, with t-shirts, hats and hoodies. Various sales on comics and graphic novels are offered throughout the week.