Batman turns 30: Remembering the time Michael Keaton spoiled the movie's twist on Late Night with David Letterman

The Independent

Keaton appeared on Late Night and inadvertently divulged the big twist hours before the Tim Burton's blockbuster film was released in theaters on June 23, 1989. The Independent brought up Keaton's spoiler after Tom Holland recently spoiled the big Avengers: Endgame twist on The Graham Norton Show over the weekend.