28 episodesFirst aired 12 July 2021
E1Jul 202130m
Three NHS medics take on a team of Librarians in the first episode of the series.
E2Jul 202130m
A team of gaming enthusiasts take on three animal lovers in this opening heat.
E3Jul 202130m
Three space enthusiasts take on a team of music lovers in this opening heat.
E4Aug 202130m
A team of golfers take on three wildlife lovers in this opening heat.
E5Aug 202130m
A team of disco lovers take on three film fans in this opening heat.
E6Aug 202130m
A team of computer programmers take on three former Sheffield housemates.
E7Aug 202130m
A team of walkers take on three knitters in this opening heat.
E8Aug 202130m
A family team takes on three data science workers in the last of the opening heats.
E9Sept 202130m
Two teams who lost their opening heats return for a last chance to stay in the competition.
E10Sept 202130m
Two teams who lost their opening heats return for a last chance to stay in the competition.
E11Sept 202130m
Two teams who lost their opening heats return for a last chance to stay in the competition.
E12Sept 202130m
Two teams who lost their opening heats return for a last chance to stay in the competition.
E13Oct 202130m
Two teams who won their opening heats return for the next stage of the competition.
E14Oct 202130m
Two teams who won their opening heats return for the next stage of the competition.
E15Oct 202130m
Two teams who won their opening heats return for the next stage of the competition.
E16Oct 202130m
Two teams who won their opening heats return for the next stage of the competition.
E17Nov 202130m
Two teams who’ve won a game and lost a game return for a last chance to stay in the competition.
E18Nov 202130m
Two teams who have won a game and lost a game return for a last chance to stay in the competition.
E19Nov 202130m
Two teams who’ve won a game and lost a game return for a last chance to stay in the competition.
E20Nov 202130m
Two teams who have won a game and lost a game return for a last chance to stay in the competition.
E21Nov 202130m
A team of space enthusiasts take on three animal lovers in the first of the quarter-finals.
E22Dec 202130m
A team of golfers face three NHS doctors in this quarter-final.
E23Dec 202130m
A team of walkers take on three film fans in this quarter-final.
E24Dec 202130m
A team of computer science workers take on three disco fans in the last of the quarter-finals.
E25Jan 202230m
In the first of the semi-finals, two teams battle it out for a place in the series finale.
E26Jan 202230m
It’s the last of the semi-finals, with two teams are battling it out for a place in the series finale.
E27Jan 202230m
Victoria Coren Mitchell hosts the third-place play-off.
E28Jan 202230m
It’s the 400th episode and the series finale, with two teams battling it out to be named champions.