Serpent of Evil River:
Courage and his owners are suckered into a free cruise, only to be tricked into assisting the captain in capturing an opera-loving sea serpent named Carmen.
The Transplant:
Courage finds the bones of a giant kangaroo monster. When Eustace attempts to auction them to discoverers, he ends up twisting his spine. Dr. Vindaloo does a disc-transplant on Eustace, causing him to transform into a kangaroo monster himself.
