Watch Spartan: Ultimate Team Challenge Online at Couchtuner. Inspired by Spartan Race – the creators of the world’s most demanding obstacle course races – “Spartan: Ultimate Team Challenge” raises the bar on team competitions. Groups of friends, families, co-workers and more must work together as they race across specially designed Spartan courses engineered to test their determination, endurance and will. Teams of five compete on one the most demanding courses ever devised and have to push through the pain to win $250,000. The hosts include former NFL linebacker Dhani Jones and former LA.