Phineas and Ferb S03E39 - Quietest Day Ever
Phineas and Ferb (2007)
S03E39 Quietest Day Ever
Episode Overview
Mom requests that the kids stay quiet as she gets ready for her online knitting exam, prompting Phineas and Ferb to whip up ninja costumes that make the wearer invisible to everyone else. Meanwhile, Candace grows more and more annoyed as she searches for her brothers, hoping to catch them in the act. At the same time, Dr. Doofenshmirtz is busy creating his latest invention, the De-Handsome-Inator.