Phineas and Ferb - Season 3, Episode 17: Monster from the Id - Gi-Ants
Trailer
A new season begins with much more excitement and adventures that follows the daily activity and struggle of two stepbrothers named Ferb and Phineas, who obsessed with inventions, as they spend the summer holiday in inventing, using the ordinary materials with their pet. In this new season, Phineas fixes an old machine in the museum