Spoiler warning! I haven't seen 2001 A Space Odyssey and am sad to have learned that… can you edit to warn people?

Sorry, with movies from the sixties you just need to assume people have either seen it or just isn't gonna see it. The cat is out of the bag already.

Or perhaps box in your case, speaking of spoilers.

I'm sorry schrodinger, I'm afraid they can't do that.

Guess what happens with Romeo and Juliet.

lol it is 60 years old

Major dang: "I advise that this thread be shut down at once."

Captain tomhow: "But everybody's having such a good time."

Major dang: "Yes, much too good a time. The discussion is to be closed."

Captain tomhow: "But I have no excuse to close it."

Major dang: "Find one."

Captain tomhow: "Everybody is to leave immediately! This Hacker News discussion is closed until further notice! Clear the thread at once!"

DonHopkins: "How can you shut us down? On what grounds?"

Captain tomhow: "I am shocked -- shocked -- to find that films are being spoiled in here!"

infotainment: "The ending you requested, sir."

Captain tomhow: "Oh. Thank you very much. Everybody out at once!"