As the Calico sails through a strange pink mist, a tiny fly is affected by the mysterious cloud and begins growing larger. When Godzilla is called to their aid, he drives the giant fly away but is also exposed to the mist himself in the process. Godzilla begins to grow smaller and smaller, and the crew also realize that wherever the fly is, it must be growing increasingly larger. To save Godzilla from shrinking into oblivion, and to protect themselves from the repeated attacks of the giant fly, Dr. Darian struggles to come up with an antidote by analyzing small samples of the pink mist. Godzilla eventually shrinks to the point that he is attacked by a mouse aboard the ship (how did it get aboard, and didn't the Calico crew ever see it before?), and as he continues shrinking even further, the crew loses track of his whereabouts.

Later, the miniaturized Kaiju King is forced to battle a spider who ultimately webs him up (this arachnid, unlike Spiega, accurately spins its web from its p