QI XL Guest cast, played by Colin Lane Episode 6x02: Kit and Kaboodle (Sep 15, 2013) Episode 7x01: L Animals (Oct 4, 2014) Episode 7x16: Landmarks (Apr 18, 2015) Episode 9x14: Numbers (Jan 29, 2017) Episode 10x07: Opposites (Dec 9, 2017) Episode 10x15: Overseas (Feb 17, 2018) Episode 12x14: Queens (Feb 29, 2020)