Home Games Games News LEGO Harry Potter: Years 1-4 Launch Trailer 255935 Jun 23, 2010 wizarding world including Hogwarts™ castle, Diagon Alley™, the Forbidden Forest and the village of Hogsmeade™. LEGO Harry Potter: Years 1-4 Launch Trailer 255935 Related Articles: 5i56f LEGO Harry Potter: Year 4 Vignette Harry Potter And The Half-Blood Prince :: Xbox 360 Game Review Harry Potter And The Half-Blood Prince On Blu-Ray