We Call it Maze - Ladies and Gentlemen: Meet Max Modem!.We Call it Maze: Phineas and Ferb build a maze to help Isabella and a junior Fireside Girl, named Melissa. Meanwhile, Dr. Doofenshmirtz try to tilt all buildings on the tri-state area as the leaning tower of Pisa.
Ladies and Gentlemen: Meet Max Modem!: When Candace discovers that her mother is Lindana, Linda is invited to participate in a reunion concert of the 80s. Lawrence feels depressed because his wife is going to forget him because she will meet exciting and fun people, so Phineas and Ferb decide to turn him into "Max Modem", an unknown singer from the 80s. Meanwhile, Dr. Doofenshmirtz wants Danville to believe that he's the king and leader of a group of aliens.