Trick or treat! It’s Halloween and Ruli is getting ready with decorations. However, one by one, people begin to disappear. Hiro and the gang investigate.
Welcome to Cosmo Culture School!
!مرحباً بكم في مدرسة كوزمو الثقافيّة
Willkommen an der Cosmo-Kulturschule!
Bienvenidos a la escuela cultural Cosmo.
Bienvenidos a la escuela cultural Cosmo.
Bienvenue à l’école Cosmo Culture !
Benvenuti alla
 Cosmo Culture School!
Seja bem-vindo à Escola de Cultura Cosmo!
Приветствуем вас в школе Космо.