A little flirting. Other than that, none.

A boat rider implies that he's in love with the moon, but it was played for laughs.

Alot of slapstick action was meant to play for laughs.

A character almost got bitten by a lion because of her stupidity in the rule of the infamous 5 second rule, but it was played for humor.

Electric shocks, falls, and hits and kicks happens in some episodes.

There are a episode where a character disembodies an army of skeleton's heads when flying to defeat an evil wizard, but again, was played for laughs.

A group of ghosts implied that they died in a horrific way. Especially one of them says that his/her head is being shot with an arrow in the head.

Some name-calling like "stupid", "idiot" and etc. But most of it are mild.

None.

There are some scenes that might scare the younglings, especially the first episode with the monsters attacking a city. And alot of citizens are in peril.

After the monsters being killed, another monster came to attack them, but it was played for laughs.

Some scenes are scary, with the episode where a couple lives in a haunted house.