Jakers! The Adventures of Piggley Winks

Fir Not (1x15)

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Piggley and his pals try to track down and trap a Fir Darrig, a particularly mischievous leprechaun. In the process, the kids accidentally break a window and decide to blame it on the Fir Darrig. Soon it begins to appear that the Fir Darrig is taking his revenge on them for giving him the blame - or is it just their guilty consciences?