Check out Phineas and Ferb star in a very special episode - 'Doof Dynasty':
The gang is put into feudal China when Princess Isabella is part ruler and Master Perry has given up the way of the warrior. The plot thickens when Phineas and Ferb see Doofus Khan capture the Princess and take her hostage. It's up to the boys to track down Master Perry and learn his warrior ways so that they may rescue the Princess and save China.
Available on Disney+
