Hi Hi Puffy AmiYumi

Opera Yumi (1x16)

Air date: Dec 17, 2004

Yumi has a run-in with her old singing teacher, the snooty, opera-loving Madame Blubbery, who uses a hypnotic whistle to force Yumi to give up rock music and sing in her newly-written opera. Can Ami and Kaz get the old Yumi back?