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.
Holograms, a new technology.
الهولوغرام، تقنيّة جديدة
Hologramme, eine neue Technologie.
Hologramas, una nueva tecnología.
Hologramas, una nueva tecnología.
Dans un futur proche
survint une révolution technique
Gli ologrammi sono una nuova tecnologia.
Uma nova tecnologia que 
começou com os hologramas.
Новые технологии — голограммы.