Synopsis

In the backyard of Phineas and Ferb's home, an unexpected discovery unfolds: a chameleon. This ordinary creature undergoes a remarkable transformation, swelling to colossal proportions thanks to the machinations of Doofenshmirtz's Gigant-Inator. The newly gigantic chameleon then embarks on a leisurely stroll through the city's downtown streets. Simultaneously, Jeremy belays Doofenshmirtz with a song, which the villain intends to utilize in a scheme to summon extraterrestrial beings and command t