Kevin: You tricked us into coming to the Lake House at the same time. You did a Das Doppelte Lottchen.
Jake: What? I don't know what that is.
Captain Holt: Das Doppelte Lottchen!
Jake: I'm only half.
Captain Holt: It's a German novel about a set of twins who try to reunite their estranged parents.
Jake: That's the Parent Trap! I knew my stratagem had classy origins.