The 23-year Pizza Hut buffet didn't come in June because it had already ended. As of July 2023 1 1 day, according to the official website of Pizza Hut, the service period of Pizza Hut buffet in 2023 is from June 27th to July 1 day. So the 23-year Pizza Hut buffet disappeared in June because it had already ended its activities. Pizza Hut is one of the pizza monopoly chain enterprises. Frank Carney and Dan Carney founded the first Pizza Hut restaurant in Wichita, Kansas, USA in 1958 with $600 borrowed from their mother.