Opinions on the best Batman movie ever can vary widely depending on personal preferences, but one of the often-cited contenders for the title of the best Batman movie is "The Dark Knight" (2008), directed by Christopher Nolan and starring Christian Bale as Batman and Heath Ledger as the Joker. Many viewers and critics consider Ledger's portrayal of the Joker to be one of the most iconic performances in the history of cinema. The film received critical acclaim and was a major commercial success, making it a standout entry in the Batman film franchise. However, it's important to note that there are many other Batman movies, and different fans may have different favorites.