Phineas and Ferb (2007)

S3E8 Ask a Foolish Question

Candace stumbles upon Phineas and Ferb's latest creation: a computer capable of answering any question. Eager to finally catch her brothers in the act, she queries it for tips on how to succeed. At the same time, Dr. Doofenshmirtz misplaces the key to his newest gadget, the "All Purpose-inator," prompting Agent P to race against time to locate it before the villain does.