Phineas and Ferb Episode 12 - Run Away Runway - I Scream, You Scream >The boys try to make a giant ice-cream maker for Isabella after her tonsils are taken out. Doofenshmirtz tries to build a giant space laser, while, Vanessa, is staying with him for the weekend. Meanwhile, Candace, as usual, is trying to bust Phineas and Ferb, at the same time as Vanessa is trying to bust her dad, Dr. Doofenshmirtz. Ironically, Linda Flynn-Fletcher and Charlene Doofenshmirtz are attending a cooking class together.