In the episode “A-Tisket, A-Tasket,” in reference to William Holden.
LORELAI: So I’ve decided I’m saving myself for William Holden.
RORY: Wow, it’s nice out here in left field.
LORELAI: Hey, I’m sorry. Sunset Boulevard was on last night, and I don’t know… I’ve known him for years – Sabrina, Stalag 17 – and yet last night something snapped.
RORY: I’ll say.
LORELAI: I think it was the monkey scene.
RORY: You know he’s dead, don’t you?
LORELAI: The monkey?
RORY: William Holden!
William Holden was an Academy Award-winning actor who starred in the movie Sunset Boulevard. He died in 1981, 20 years before Lorelai said this.
Read more about William Holden