Sponsor integration is in full bark at TBS. Beginning in October TBS will begin airing “The Purina Dog Chow Incredible Dog Challenge,” an annual competition held in several cities throughout the United States. The series of six specials will air Saturdays exclusively on TBS beginning Saturday, Sept. 28, at 11 a.m and ending Sat. Nov. 2. The Challenge features a variety of contests for dogs, such as the Outdoor Adventure Competition where teams compete on a course of natural and man made obstacles on both water and land, which test the skill and stamina of the dog and handler. Also featured is The following is a rundown of competitions to be featured are events like the Incredible Flying Disc Relay in which three-dog teams compete to retrieve a flying disc thrown more than 80 feet.