Nat wants to know what it's really like to be a rhino, so he invites Rumple over to the Iconicarium to find out, and Rumple soon puts Nat through his rhino paces. Over in the Garden, Tippy decides to hold a competition to see who should be King for the Day and be the one to open the new garden shed, but she's not the only one surprised when Mac the little mouse is the winner.