Odlulu is in Venice, where she aims to become belle of the Venetian Carnival ball with the help of the Crystal Glass Key. But when Odlulu accidentally turns the canals of Venice to glass, the Wanderers must head to the ball to get the key back and restore the city.

When Odlulu zaps Fritz with the Mega Mega Monster key, he grows to the monster size and tries to eat all the noodles in the city. Waldo and Wenda travel to a Kaiju festival in Tokyo and meet up with Koichi, fellow Wanderer and action comic Go Hero Go fan. Together, the Wanderers must team up to stop Mega Fritz!