File:Agent P, Phineas, Ferb and Heinz four-panel action t-shirt.jpg

Summary
Four-panel t-shirt of Agent P, Phineas, Ferb and Dr. Doofenshmirtz. Sold by Kmart. Picture from the Kmart.com website, uploaded to preserve a part of Phineas and Ferb merchandise history. Will be replaced by a photograph from a purchased shirt if possible.