Luke Skywalker visits Phineas and Ferb and tells them that Darth Vader is going to turn the earth into pie. Candace comes out and flirts with Luke who then says he is engaged to Princess Leia. Then Yoda walks in and reveals that Princess Leia is Luke's sister. Luke gets all mad and Candace gets happy and tries to go on a date with him. Luke is freaked out by Candace and runs away, and Candace chases him. Candace chases him by Suzy's house. Suzy thinks that she should embarass her, so she chases Candace, and then Jeremy chases Suzy because he is babysitting. Stacy chases Jeremy to ask where Candace is, and Jenny chases Stacy to ask if she can go to the Save-the-Whales rally. Phineas and Ferb chase Jenny to ask where Candace is to, and Baljeet chases Phineas and Ferb to ask what's wrong. Buf