Phineas and Ferb help Isabella and the Fireside Girls by building an automatic car wash to help with fundraising to save the star-nosed mole. Meanwhile, Stacy advises Candace to play hard to get with Jeremy. But when Jeremy asked Candace out for a ride to her brother's car wash, she ignores her BFF's advise and goes on the date anyway. Elsewhere, Dr. Doofenshmirtz tries to make a mountain out of a molehill - literally.