Hammers, screwdrivers, wrenches and nails are all very useful for building things, and they have been for centuries. An offhand comment by Phineas makes him and his friends wonder what kind of hardware tools will be commonly used in a thousand years. It's a good thing they have a time machine. And what's this about O.W.C.A recruiting?
Crossover - Futurama & Phineas and Ferb - Rated: K - English - Adventure/Sci-Fi - Chapters: 2 - Words: 5,340 - Reviews: 1 - Favs: 3 - Updated: 4/25/2015 - Published: 4/17/2015 - P. Fry, T. Leela, Phineas, Perry - Complete