Madame Bot-erfly / Boxing Day / It's Just Not Fair (S05E07)

A polka-dotted butterfly guides Olie and Zowie to a collection of lost treasures that once belonged to Dad, Gizmo, and Pappy. Along the way, they discover that not everything truly lost stays gone forever. Meanwhile, Polly and Olie become convinced that Billie is moving away—he has boxes stacked everywhere and barely any time to play. But Billie has a big surprise in store. Later, Billie decides it's completely unfair that he isn't allowed to skate indoors. Soon he realizes many things feel unfair, and he's not going to take it anymore.