Phineas and Ferb: Where's Perry? Part I

Change is afoot when Candace accidentally liquefies herself by coming in contact with Phineas and Ferb's device that turns solids into liquids. Meanwhile, Dr. Doofenshmirtz turns himself into a platypus to defeat Perry in battle, but finds it's harder than he ever imagined./ Candace finds it difficult to bust Phineas and Ferb when her brothers build nanobots that can assemble into any object they can imagine. Meanwhile, Dr. Doofenshmirtz has jury duty, so Norm takes over the day's evil scheme.