While bumbling PI Percival Smidgely tries to find missing pig Mercy Watson, a trio of clever neighborhood sleuths follow a trail of hoof prints - and a delicious aroma - to recover their porcine wonder, in this uproariously funny, extra-special series finale.

"Hi there, I'm Sherlock Bones - tawny frogmouth skeleton, chief sleuth and star of all museum-related investigations! Today is an exciting day because the museum has a new exhibit - and a new mystery! Together with my partners, the ever-brilliant Watts and talking bundle of fur Grace, I'm here to track down the ghost that's destroying the museum. You might not be able to hear Watts, because, technically, she's a stuffed parrot, but I always know what...