One last reminder: One Million seconds=11 ½ days; The Mathathon does its final break with swordfighters, graphing pledges, and a bear; One last reminder: One Billion seconds=32 years; The final visit to Michigan Stadium: How many ping-pong balls would fill the Stadium to the top? followed by ""Angle Dance"" video as seen in Season One Mathnet: The Case of the Unkidnapping, Part 5