When Pete the Cat opens a leprechaun catching business on St. Patrick's Day, his efforts are complicated by Clover, a leprechaun who's full of tricks.

On St. Patrick's Day eve, Meghan and Sean get help from their three grandaunties and manage to capture a sly leprechaun.

When Roy G. Biv, a leprechaun, appears and asks Colleen's help in saving the St. Patrick's Day parade, she offers items of different colors to rebuild his lost rainbow, but is reluctant to part with a special gift from her grandfather.

Shannon has been practicing for the local St. Patrick's Day step dancing competition, but worries about her homemade dress and second-hand shoes until she summons a very unusual leprechaun, hoping that he can help her do well.

Jack the mouse goes to visit his cousin in Ireland on St. Patrick's Day, and spends the day trying to catch a leprechaun.

Two towns, Tralee and Tralah, compete in an annual St. Patrick's Day decorating contest which Tralah boastfully always wins, but when their hearts are put to the test by a little man with pointed ears, Tralee wins with no effort at all.