A mutated manta ray interrupts the wedding of Elsie's spoiled sister. Elsie sees this as an opportunity to prove herself to her estranged parents who are attending her sister's wedding and think Elsie is a no-good klutz.
A girl named Meg asks H.E.A.T. to find her two brothers who went missing in a silver mine. They find Silver Hydra there, a mutated monster that turns anyone it touches into silver statue and can regenerate itself in seconds.
Giant mutated scorpion Ts-eh-go appears in New Mexico. However, the local army commander has his own plans with this creature and H.E.A.T. is in his way.
The three giant-game hunters from the "Cat And Mouse" episode receive three well armed battle robots called "Lizard Slayers" from their benefactor to destroy Godzilla.
Armillaria, a giant fungus that sucks amino acids out of living matter, shows up in Michigan. Also, the city of Miami sues H.E.A.T. for damages when their latest battle with a giant mutated vampire bat leaves the city in ruins.
Giant mutated hummingbirds are attacking planes and other aircrafts in San Francisco, but they can flap their wings so fast, they become invisible to human and Godzilla's eyes.