Lego Harry Potter

Lego Harry Potter: Years 1–4 is a Lego-themed action-adventure video game developed by Traveller's Tales and published by Warner Bros. The game is based on the Lego Harry Potter toy line, and its storyline covers the first four books by J.K. Rowling and its film adaptations in the Harry Potter film series: Harry Potter and the Philosopher's Stone (2001), Harry Potter and the Chamber of Secrets (2002), Harry Potter and the Prisoner of Azkaban (2004), and Harry Potter and the Goblet of Fire (2005).

The game was released in June 2010 for Microsoft Windows, PlayStation 3, Wii, Xbox 360, Nintendo DS, and PlayStation Portable, Android in November 2010, OS X in January 2011, iOS in September 2016, PlayStation 4 in October 2016, and for Nintendo Switch and Xbox One in October 2018 as part of the Lego Harry Potter Collection, which bundles the game with its sequel, Lego Harry Potter: Years 5–7.