In our monthly challenge That's Puzzling!, Piya Chattopadhyay competes against familiar voices and clever listeners in a battle of brain games devised by puzzle master Peter Brown. In this special edition, recorded live in Toronto as part of CBC's national holiday campaign Make the Season Kind, Bookends host Mattea Roach, actress and comedian Jennifer Whalen and a whip smart audience member enter the puzzledome to duke it out for glory.