Gappa, the Triphibian Monster

Victor Frankenstein witnesses his creation turn uncontrollable after he's duped by his associate, Dr. Polidori.

At the turn of the century, all of the Earth's monsters have been rounded up and kept safely on Monsterland. Chaos erupts when a race of she-aliens...

Searching for his brother, Ryota stows away on a boat belonging to a criminal alongside two other teenagers. The group shipwrecks on Letchi island...

When Dr. Frankenstein is killed by a monster he created, his daughter and his lab assistant continue his experiments.

Dracula conspires with a mad doctor to resurrect the Frankenstein Monster.

Young Victor Frankenstein returns from medical school with a depraved taste for beautiful women and fiendish experiments.

Gaira, a humanoid sea beast spawned from the discarded cells of Frankenstein's monster, attacks the shores of Tokyo. While the Japanese military...

During WWII, Germans obtain the immortal heart of Frankenstein's monster and transport it to Japan to prevent it being seized by the Allies. Kept in...

Eddie is a Vietnam veteran who loses his arms and legs when he steps on a land mine, but a brilliant surgeon is able to attach new limbs....

A hot air balloon crew and a dog find themselves on an island with scantily-clad part-alien women, zombies, and other monsters.

When an atomic war on Mars destroys the planet's women, it's up to Martian Princess Marcuzan and her right-hand man Dr. Nadir to travel to earth and...

In the future, the Japanese government captures a class of ninth-grade students and forces them to kill each other under the revolutionary "Battle...