Time-travelers' efforts to prevent a dinosaur's mutation result in the creation of a three-headed dragon that terrorizes Japan.
Godzilla vs. King Ghidorah
Super_Speedbros
for Super_Speedbros in MyCast User's Favorite Giant Monster Movies
Suggested by super_speedbros
Exactly what the title says. Add yourself, and your favourite giant monster films. If you'd like, go ahead and add your Top favourites.
