Episode Title:I Was a Middle Aged Robot - Suddenly Suzy.Episode Description:I Was a Middle Aged Robot: Lawrence's memory is accidentally erased by a gadget in Perry's lair before participating in a father-daughter race with Candace, so Perry operates a robot version of Lawrence to fill in for him. Meanwhile, Dr. Doofenshmirtz invents "Eulg," an opposite of glue, which breaks stuff apart rather than joining it together.
Suddenly Suzy: When Candace offers to babysit Suzy, Suzy tries to teach Candace how to get anything you want. Meanwhile, Phineas Ferb, and friends try to build a giant waterfall and ride a barrel over it. Meanwhile, Dr. Doofenshmirtz builds a giant foot out of carbon paper believing that it'll increase his carbon footprint.