Twentieth Century Fox Home Entertainment sold 1.5 million Blu-ray units of James Cameron's Avatar on Earth Day, the film's first day of home video release. The 1.5 million units is a new record, topping The Dark Knight's 600,000 Blu-ray units sold its first day in 2008.
The studio expects to sell well over 4 million combined Blu-ray and DVD units of the movie.