Factual error: The audition scene for Erica's play would never take place in the theatre. Auditions and rehearsals are held in rehearsal halls, not the theatre. Yet they show the sets already built and installed, lighting and effects in place, and they reference the costumes being ready. This does not happen until the show is close to opening.
Something's Gotta Give (2003)
1 factual error
Directed by: Nancy Meyers
Starring: Keanu Reeves, Jack Nicholson, Diane Keaton, Frances McDormand, Jon Favreau, Amanda Peet
Revealing mistake: When Marin and Jack Nicholson first enter her mother's house, Marin is wearing white pants, and it is noticeable that she has a thong on. When she gets into bed with Jack, she is in full underwear.
Julian Mercer: When something happens to you that hasn't happened before, don't you at least have to find out what it is?
Trivia: The movie title is inspired on a Johnny Mercer song from 1954, that's why Keanu Reeves' character is named Julian Mercer.
Answer: When they were trying to see what time it was the morning after they had slept together.