There is a rumor going around about buildings disappearing on an urban legend website. Hiro and the gang go to investigate a certain cave with people from the forum. As they go deeper into the cave, terrible things happen…
What's with this cave?
ما هذا الكهف؟
Was ist nur in dieser Höhle los?
¿Qué pasa en esta cueva?
¿Qué pasa en esta cueva?
Qu’est-ce qui se passe, à la fin,
Ma che razza di grotta è?
Qual é a dessa caverna?
Что ж это за пещера?