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.
Casts:
Vincent Martella, Thomas Brodie-Sangster, Ashley Tisdale, Dan Povenmire, Dee Bradley Baker, Alyson Stoner, Bobby Gaylor, Maulik Pancholy, Caroline Rhea, Richard O'Brien, Kelly Hu, Mitchel Musso, Jeff 'Swampy' Marsh, Tyler Alexander Mann