During the 104 days of summer. Phineas and Ferb planed to travel around the world with their mom and dad, and friends. They went to Honolulu first, and last was Seattle, and between is a huge chunk of destinations. There are 64 destinations and 64 days. Perry traveled by cargo airlines, because airlines don't accept pets to go into the airliner. Perry doesn't takes a day off a mission, Major Monogram said about cases, not about Doof, but robberies and people doing bad things.