Every line in it is quotable and everyone you've met has tried to prove that at a dinner party.
Fun fact: Cary Elwes and Mandy Patinkin learned to fence both left- and right-handed for the duel scene.
Bloke spends nine years telling his kids a story and the last five minutes undid the whole thing.
Fun fact: The finale's scenes with Ted's children were filmed in 2006, during season two, so they wouldn't age.