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…
Where'd Gigasmon go?
إلى أين ذهب غيغاسمون؟
Wo ist Gigasmon hin?
¿Adónde fue?
¿Adónde ha ido?
Il a disparu où ?
Dov'è andato?
Onde o Gigasmon foi parar?
Где он?