Phineas and Ferb build the coolest rollercoaster ever in their own backyard. / On Candace's birthday, the family takes a trip to Mount Rushmore.
Did You Know?
When the "arms" take Perry's hands and feet. The "arms" came from the front of Perry, but in the next shot they've come from behind him. See more
[right before the first drop of the rollercoaster
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