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"Jack and the Beanstalk" has a male giant who is mentioned to be eating children. He later tries to attack Jack with a spiked ball.

"Little Red Riding Hood" has a wolf who swallows the Grandmother (off-screen), in an attempt to get the segment's titular character.

"The Three Billy Goats Gruff" has a troll who will try to eat any of the goat he meets.

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Both the Giant, the Wolf, and the Troll, can be little frightening. However, this direct-to-video fairytale cartoon is suitable for kids.