An old man asks a female professor if she can shift into swimsuit. He claims to be not perverted as he's "just an old man", but the fact is he is actually a pervert as he tries to peep on her about to take off her clothes.

Despite the above mentioned scene, there is no sex and nudity.

A huge lizard-like animal is hit in the head by a dagger. It is much later seen being barbecued for dinner, with one eye popping out in a rather comical matter. No blood.

A huge weird-looking fish has been killed for food.

Dragons and people are said to have died. One of the dragons has crashed into a stone and died, and it's body has been eaten by sharks and other animals.

A plane is shot down, but it's two pilots shoot themselves out from it and survive.

Some mild fantasy martial arts similar to what's shown in "Dragon Ball".

A villain threatens to drop a female professor from a huge mountain.

Some mild Japanese profanity, more typical for any anime made for teenagers.

An old man smokes a cigarette. Once he is seen drinking alcohol from a bottle.

It is said that if all dragons on Konpei Island die, then all the island people will die and the island is finished.

The main villain, who may be looking similar to Adolf Hitler, appears to be cruel as he will do anything harsh in order to take the rare stone from the last surviving dragon.