The One Show Guest cast, played by Katherine Ryan Episode 10x05: 14/08/2015 (Aug 14, 2015) Episode 2016-01-20: 20/01/2016 (Jan 20, 2016) Episode 2017-01-18: 18/01/2017 (Jan 18, 2017) Episode 2017-05-03: 03/05/2017 (May 3, 2017) Episode 2017-07-07: 07/07/2017 (Jul 7, 2017) Episode 2017-11-22: 22/11/2017 (Nov 22, 2017) Episode 2018-04-04: 04/04/2018 (Apr 4, 2018)
