The boys transform their backyard into a massive, over-the-top batting stadium.
Fed up with long lines at return counters, Dr. Doofenshmirtz creates a device to send items back to their original store instantly. Phineas And Ferb - Season 4Eps31
: He gets his exact refund back in pennies, avoiding human contact and potential germs. The boys transform their backyard into a massive,
Another average episode with Candace getting more of a plot than just 'busting the boys', and said plot, along with the Doof plot, Reddit·r/phineasandferb Phineas and Ferb - Return Policy (S4E31) - Parenting Patch and said plot