The king of Fenarinarsa decides to visit Momo on Earth, but his carefree and stubborn ways quickly cause chaos on the streets of Somewhere City!
It's not good for your health 
to be so serious all the time!
!ليس من الصحي أن تكون جادّة طوال الوقت
Non ti fa bene alla salute
rimanere sempre così seria!
Não é bom para a saúde
ficar sempre tão séria!
Вредно всё время такой серьёзной быть.