The Three Billy Goats Gruff: When a troll threatens to eat up the billy goats who want to eat the grass on the other side of the bridge, the biggest billy goat is the one who teaches the troll a lesson he'll never forget. The Three Little Pigs: When the wolf eats up the first and second little pigs, he'll learn the hard way that he shouldn't mess with the smartest pig of the three little pigs.