The Great British Bake Off: An Extra Slice Guest cast, played by Jamie Laing Episode 4x02: Episode 2 (Sep 7, 2017) Episode 5x03: Episode 3 (Sep 14, 2018) Episode 5x08: Episode 8 (Oct 19, 2018) Episode 6x08: Episode 8 (Oct 18, 2019) Episode 9x02: Episode 2 (Sep 22, 2022) Episode 10x05: Episode 5 (Oct 26, 2023)