S1E1 - Episode 1
In the first episode of the series, contestants from London, Worcester, Barry, Derby and West Kilbride take on five rounds of fiendish puzzles.
June 22, 2023, midnight
S1E2 - Episode 2
Brand-new quiz show presented by Lucy Worsley. Contestants from Guildford, Bristol, Somerset, Ormskirk, London and Dingwall take on five rounds of fiendish puzzles.
June 29, 2023, midnight
S1E3 - Episode 3
Lucy Worsley presents the new quiz show. Contestants from Derby, Gloucestershire, Croydon, Swadlincote, South Wales and Warwick take on five rounds of fiendish puzzles.
July 6, 2023, midnight
S1E4 - Episode 4
Lucy Worsley presents the new quiz show. Contestants from Rochdale, Wirral, Bath, Dumferline, Edinburgh and Liverpool take on five rounds of fiendish puzzles.
July 13, 2023, midnight
S1E5 - Episode 5
Six contestants from Worcester, London, Rotherham and Kent take on five rounds of fiendish puzzles testing language skills, calculation, lateral thinking, visual intelligence and memory.
July 20, 2023, midnight
S1E6 - Episode 6
Contestants from Portsmouth, Essex, Manchester, London and Derbyshire take on five rounds of fiendish puzzles as they attempt to qualify for the series Grand Final.
July 27, 2023, midnight
S1E7 - Episode 7
Contestants from Birmingham, Blackburn, London, Manchester and Croydon take on five rounds of fiendish puzzles as they attempt to qualify for the series Grand Final.
Aug. 3, 2023, midnight
S1E8 - Episode 8
Contestants from Edinburgh, Coulsdon, Poole, Tenbury Wells, London and Sheffield take on five rounds of fiendish puzzles in a bid to qualify for the series Grand Final.
Aug. 10, 2023, midnight
S1E9 - Episode 9
Contestants from Bristol, London, Bromborough, Aberdeen, Fordingbridge and Croydon take on five rounds of fiendish puzzles as they attempt to qualify for the series Grand Final.
Aug. 17, 2023, midnight
S1E10 - Episode 10
Contestants from Thetford, Oxford, Powys, Staffordshire, Nottingham and Porth take on five rounds of fiendish puzzles as they attempt to qualify for the series Grand Final.
Aug. 24, 2023, midnight
S1E11 - Episode 11
In the final round before the semi-final, Lucy Worsley puts players from Leeds, Pontypool, Norfolk, Belfast, Derbyshire and London through their paces in five demanding rounds of puzzles.
Aug. 31, 2023, midnight
S1E12 - The Play-Off
Six contestants from around the UK have made it to the play-off to take on five rounds of fiendish puzzles as they attempt to qualify for the Grand Final.
Sept. 7, 2023, midnight
S1E13 - The Final
It's the Grand Final and our contestants take on five rounds of fiendish puzzles as they attempt to become the Ultimate Puzzler.
Sept. 14, 2023, midnight