Bat Pat season 1 episode 25

Episode title: Just My Luck

Something strange is lurking in the bushes at Fogville Park and swiping items from picnickers. When the creature later tries to swipe a bowl of popcorn from Leo and Bat Pat, the gang realises it's a leprechaun named Seamus. Seamus is the world's most unlucky leprechaun and he's searching for his lost pot of gold.