Entertainment Tonight for Monday, December 21, 2020

ET celebrates movies marking big milestones. From “Kindergarten Cop” to “Clueless” we’re flashing back to the first time on set with the stars.Plus, “Forrest Gump”, “Castaway”, “Toy Story”. What you never knew about Tom Hanks and his classic movies.Then, “Pretty Woman” Julia Roberts shares secrets from the movie audition that made her a movie star.