Batman: Mystery of the Batwoman is a 2003 American animated superhero film based on The New Batman Adventures (1997-1999). Released in the U.S. in October 2003, the film was produced by Warner Bros. Animation and is the fourth film in the DC Animated Universe.

The New Batman Adventures is an American animated superhero television series based on the DC Comics superhero Batman, which aired on Kids' WB from September 13, 1997 to January 16, 1999. Produced by Warner Bros. Animation, it is a continuation of Batman: The Animated Series (1992–1995), serving as the third season of the show, and the third series in the DC Animated Universe. It was followed by Batman Beyond (1999–2001). The series was revamped from BTAS, replacing its art style with streamlined designs for more consistent animation, and to maintain similarity with the simultaneously running Superman: The Animated Series (1996–2000), with episodes airing on Kids' WB under the title The New Batman/Superman Adventures.