While taking their usual bath, the boys discuss how much Kyotaro is like an old man. The next day, when they go to school, they find themselves exhausted by climbing up the stairs... and learn that they're all becoming old men!
Now! Use your powers 
combined to make him happy!
!والآن! استخدموا قواكم متضافِرة لإسعاده
Los, macht ihn mit
gemeinsamer Kraft HAPPY!
¡Ahora, usen sus poderes
combinados para hacerlo feliz!
¡Ahora, usad vuestros poderes
combinados para hacerlo feliz!
Bien, unissez vos forces
pour le rendre heureux !
Ora combinate i vostri poteri per renderlo HAPPY!
Agora! Use seus poderes
combinados para deixá-lo feliz!
А теперь объедините свои
силы и осчастливьте его!