Taco Bell® Enlists The Moon To Introduce The Whole World To Tacos When the moon looks like a taco on May 4, Taco Bell fans in select locations around the globe can score a free taco as part of its first-ever global campaign News provided by Share this article Share this article IRVINE, Calif., April 28, 2021 /PRNewswire/ -- The moon is known for some powerful influences, from controlling the earth's tides to even affecting one's cravings. Now, to launch its first-ever global campaign, Taco Bell is using a billboard that the whole world can see. When the Taco Moon arrives on May 4, fans in the U.S. can score its #1 best-selling menu item, a free Crunchy Taco, between 8 PM-11:59 PM in-store or all day through the app or online.