Batman & Mr. Freeze: SubZero is a 1998 American animated superhero film, the second film based on Batman: The Animated Series, taking place between the end of the show and the start of The New Batman Adventures. Kevin Conroy and Michael Ansara reprise their respective roles from the series as the two title characters while Mary Kay Bergman replaces Melissa Gilbert as the voice of Batgirl. It was produced by Warner Bros. Animation as a marketing tie-in with Batman & Robin and was animated overseas by Koko Enterprises and Dong Yang Animation in South Korea. The film won the Annie Award for Best Home Video Animation.