Petco has officially released its 2019 Black Friday ad. (Click Black Friday Book to view it.) The sale starts on Black Friday and runs through Saturday. A large selection of items will be 50% off, including Nerf dog toys, the Marvel Pet Fans Collection, and Holiday Tails Collection apparel, toys, and treats. Plus, a variety of BOGO offers will be available on pet food, treats, and chews. The deals require a free Pals Rewards membership and it appears most offers are available online or in-store, although some offers may differ online. Shop Now at Petco Features Check out the Petco Black Friday ad. See our full Black Friday coverage. Sign up here to receive general updates about our Black Friday coverage.