Wanda swaps Timmy and his mother's brains for a day to make him realize a mother's life isn't easy; After a near death experience, Mr. Crocker decides to forget about fairies and starts to hunt Leprechauns, but when a leprechaun disguised Cosmo gives him the pot of gold from the McRough leprechaun clan, Wanda and Poof are taken hostage and Timmy and Cosmo must get it back. Note: In the episode, Leprechanuka is a pun on Hanukkah, and The Great Potato is a pun on The Great Pumpkin.