Mathnet episodes on Square One TV are also excellent vehicles for making connec tions between solving mystery stories and solving mathematics problems. In particu lar, we have used"The Case of the Missing Baseball" to develop the skills of critical viewing and listening. Such episodes cap ture students' interest and generate e ment as they predict what will happen in subsequent segments of the episode. We supply students with a"Mathne Casebook" (Children's Television workshop 1987, 7-9) in which they keep their notes as the case unfolds. Students work in small groups to discuss the actions taken by the Mathnet detectives, George Frankly and Kate Monday. They identify