Godzilla Raids Again (1955)
"Gojira no gyakushû" (original title)

A greedy developer unwittingly hatches a gigantic baby moth upon Tokyo, while Godzilla strikes once again.

After a meteorite unleashes a three-headed beast upon Tokyo, Mothra tries to unite with Godzilla and Rodan to battle the extraterrestrial threat.

Aliens from Planet X request the use of Godzilla and Rodan to fight off King Ghidorah, but have a better use for the three monsters.

A young man steals a boat to find his brother, but he and his shipmates become shipwrecked on a mysterious island inhabited by a giant sea monster and a slumbering Godzilla.

Godzilla comes to the rescue when an alien race rebuilds Mechagodzilla to destroy Earth's cities. A traitorous scientist gives them a second weapon: Titanosaurus.

A pharmaceutical company captures King Kong and brings him to Japan, where he escapes from captivity and battles a recently released Godzilla.

Female aliens take control of Earth's monsters and begin using them to destroy the human race.

A man begins to suspect that something is wrong about his employers; meanwhile, Godzilla and Anguirus are alerted to something strange going on.

Apelike aliens build a robotic Godzilla to destroy Japan, and the true Godzilla may not be powerful enough to destroy it.

Mutant pterosaurs and prehistoric insects terrorize humanity.

The United Nations assembles the ultimate weapon to defeat Godzilla, while scientists discover a fresh pteranodon egg on a remote Japanese island.

From Earth's pollution a new monster is spawned. Hedorah, the smog monster, destroys Japan and fights Godzilla while spewing his poisonous gas to further the damage.