The Phineas and Ferb Star Wars Crossover Takes Place During Episode 4
Phineas and Ferb will play residents of Tattooine during the events of A New Hope, which according to the show's creators, play out
exactly the way it did [in the movie], but we find out that Phineas and Ferb are Luke's neighbors on Tatooine and become embroiled in the adventure," Marsh said. "Our story all takes place as if you had a slightly wider shot, you could see our characters. Or if you just waited around five minutes after this [Star Wars] storyline, our characters would pass through.