When a construction crew unearths a large egg, the giant monster Gomess rises to destroy mankind; motivated by an ancient prophecy, Jiri and Ippei try to hatch the egg to unleash Litra, the only creature capable of stopping Gomess.

A monkey eats nuts laced with an artificial growth hormone and becomes a hulking, 160-foot monster.

Jun and Yuriko investigate a UFO that turns out to be a lost Earth space capsule; a golden sphere stolen from the capsule by a gangster hatches a giant slug-like monster.

Vines spread beneath Tokyo and attack citizens, alerting the team to the growth of a monstrous flower that blooms at the heart of the city and feeds on human blood.

While visiting the Japanese base at the South Pole, Jun learns of a staff member who disappeared three years earlier and left behind documents that mention a mysterious creature; Jun must find a way to defeat the monster when it attacks the base.

A young boy named Taro gets into trouble at school and then encounters gangsters, but his luck turns around when his pet turtle grows to incredible size after being exposed to sewage.