Filed under: Chicago @ Colorado October 20th. The Second Period and the Third Period. By Sandie Gauthier Oct 20, 2011, 7:57pm MDT Share this story Share this on Facebook Share this on Twitter Share All sharing options Share All sharing options for: Chicago @ Colorado October 20th. The Second Period and the Third Period. Reddit Pocket Flipboard Email The second period for the October 20th, Chicago @ Colorado game.