Nor, sometimes, that I've even seen it. True story.It's true! It's actually very cute - as far as @gpseymour is concerned, all the Agatha Christie mysteries, even the ones we'd owned for years, are still mysteries, because he still can't remember who done it. It's adorable, really.
He can say to me, "Remember that movie... with that guy... and the green thing..." and I usually can name the movie. On the other hand, I could recite half the plot to him, and KNOW we'd seen something together - and he wouldn't remember what it was.