The Play Date Problem / The Blabberwocky Problem. The Play Date Problem Peg and Cat must use the power of music, and patterns, to help their friends Beethoven and the Three Bears play together – and make incredible music together. Primary Learning Goal: Patterns Secondary Learning Goal: Seeing squares as special rectangles / The Blabberwocky Problem Peg and Cat are back as the Knights of the Round Table to reclaim their friends’ missing shapes — and their own Round Table! — from the mysterious 100-headed creature, The Blabberwocky. Primary Learning Goal: Making a drawing as a step in problem solving Secondary Learning Goal: 3D shapes, 2D shapes