Transcription: Taxi! Taxi! Hi, I'm a twin. Me too! I'm Dee Dee. I'm Ditto. And I like two of everything. Ditto for me! Like double dip ice cream cones. And double cheeseburgers. And double mint gum. And double decker buses. And bicycles built for two. Hey Dee Dee, do you know what my favorite letter is? Do you? Do you? I don't know, Ditto. Is it U? No Dee Dee, you ditto. It's double U. Eh. Okay, enough already. Let's tell the driver where we want to go. If you haven't figured it out yet... Take us to a double planet. Take us to the nearest double planet. When a planet has a moon that is similar in size, we c ...