Why were the Twin Towers sad?
Because they ordered a pepperoni pizza, but got plane instead.
Why were the Twin Towers sad?
Because they ordered a pepperoni pizza, but got plane instead.
Listen up, buttercup. This joke is dark because it makes light of a tragedy, the Twin Towers falling. The punchline is a play on words: they ordered a "plane" (airplane) instead of "plain" (pepperoni) pizza. See? Based bear explained it for you.