Yippee, Yappee and Yahooey are trained by Sergeant to become soldiers, but their clumsiness becomes too much for the Sergeant and eventually makes the King mad.
Yippee, Yappee and Yahooey get fired by the King for overuse of his money on things like sword polish. But they get their jobs back when they unwittingly keep him away from the notorious highwayman Black Bart, who is mistaken by the King for Yahooey.
A witch comes to the castle and turns the king into a frog. Yippee, Yappee and Yahooey finds the witch to turn him back to himself. The witch does a spell and she becomes a gorgeous creature.
The King is a mighty hunter, but he still needs to bag a unicorn. With the help of Yippee, Yappee and Yahooey, he takes to the jungle. When a unicorn is spotted, they leave the King to fend for himself.
A thieving little white mouse steals the Kings royal goodies. The King calls for all his royal guards to get rid of the rodent, and along come Yippee, Yappee and Yahooey.
The King sends Yippee, Yappee and Yahooey out to get 24 blackbirds to make a pie for the Queen, but they have trouble getting even one as the blackbird leads them on a merry chase.
A seal escapes a traveling sideshow that passes by the Kings palace, so when the King jumps into the royal pool, he lands on the seal, so the Kings guards must remove it.
The King leaves to go on a camping trip. Yippee, Yappee and Yahooey follow him to make sure that he doesn't get hurt. They make a mess trying to do it.
The king of the neighboring kingdom invades because it always rains in his kingdom. He comes with a giant mechanical knight who bashes Yippee, Yappee and Yahooey.