You'll Pay, Like All the Others, When My Time Machine Is Complete

Five-year-old son: I am going to see the Reds yesterday with Mom.
Father: You mean tomorrow?
Five-year-old son: No, yesterday.
Father, puzzled: I think you mean tomorrow, buddy.
Five-year-old son, frustrated: Ugh! You're a pea-brain, Dad!

Cincinnati, Ohio

Overheard by: teachinghimthewrongthings