Phineas and Ferb Season 4 Episode 29
Steampunx
When Phineas and Ferb discover a commemorative coin from the 1903 Danville World’s Fair, Lawrence recounts the events of the festival to them, in which steam-driven devices were introduced and a set of kids, who were very much like them, were preparing for the highly anticipated event.
Guest Stars
Paul Alborough
Professor Elemental (voice)