Castelo Rá-Tim-Bum (Portuguese pronunciation: [kasˈtɛlu ʁa.tʃĩˈbũ], lit. "Ra-Tim-Bum Castle") was a Brazilian children's program produced and broadcast by TV Cultura and the Network Service of Television. Targeted toward children and youth, it follows an educational entertainment model, being composed of several segments targeting specific knowledge areas, such as science and history. The program premiered on May 9, 1994 and stopped production in 1997. Partially inspired by the educational program Rá-Tim-Bum, it gave rise to a television franchise, which is part of Island Rá-Tim-Bum. Castelo Rá-Tim-Bum is a creation of the playwright and director Cao Hamburger, with scripts Jacob Dionisio (Tacus), Cláudia Dalla Verde, Anna Muylaert, among others.