The Great British Bake Off: An Extra Slice Guest cast, played by Scarlett Moffatt Episode 4x06: Episode 6 (Oct 5, 2017) Episode 5x06: Episode 6 (Oct 5, 2018) Episode 6x01: Episode 1 (Aug 30, 2019) Episode 10x08: Episode 8 (Nov 16, 2023)