Sport Relief Main cast, played by Greg James Episode 2016-03-18: Part 3 (Mar 18, 2016) Episode 2016-03-20: Episode 4 (Mar 20, 2016) Guest cast, played by Greg James Episode 2014-03-21: Part 1 (Mar 21, 2014) Episode 2014-03-21: Part 2 (Mar 21, 2014) Episode 2014-03-21: Part 3 (Mar 21, 2014) Episode 2016-03-18: Part 2 (Mar 18, 2016)