We dug into the ET vault to flashback to 1989 when we were on the carpet of the Batman premiere.
In honor of the film's 25th anniversary, we teamed up with Buzzfeed to show you five things you don't know about the movie.
5. Jack Nicholson reportedly took in $60 million from the movie with his share of the merchandising.
4. It was Sean Young, not Kim Basinger, who was the original choice to play Vicki Vale. Sean broke her arm in a horseback riding accident just days before shooting was supposed to start.
3. Michelle Pfeiffer, who was dating Michael Keaton at the time, was considered for the Vicki Vale role.
2. Kiefer Sutherland was asked to play Robin in the movie, but the role was eventually scrapped from the film.
Watch the video to find out our No. 1 little-known fact about Tim Burton's flick.