A husband-wife-friend combo take on three fans of the films of Leos Carax.

Fans of Pantomime and Partridge battle it out.

Metro systems fascinate one team, while wine does it for the others.

One team regularly run five kilometres, while the other team prefer a short stroll to singalong nights in Cardiff pubs.

One team is medical, while the other is Mancunian.

Three keen ballroom dancers face a team of devoted Dungeons and Dragons players.

A family team of doctors takes on three keen pianists.

Two teams who lost their first-round match return – only one of them can go through to the next round.

One of the contestants still bears a tortoise-related scar, while another was runner-up in a scarecrow competition.

One of the returning teams faced a tie-break in their previous match.

Neither team has lost a match so far – but that’s about to change.

Both teams won their opening heats, which means nobody goes home.

No elimination this time: the winners go through, but the losing team gets to play again later in the series.

A place in the quarter-finals is at stake – one of the teams will have to leave the competition.

Another quarter-final place is on offer.

The semi-finals loom, and the questions are getting trickier.

Another place in the semi-finals is decided, and the questions are as demanding as ever.

Once again there’s a place in the semi-finals on offer, with two teams facing ever more testing questions.

It’s nip and tuck and touch and go as another place in the semi-finals is decided.

It’s the first of the semi-finals – the questions are tough, but so are the teams.

These teams have met before, and revenge is in the air in this semi-final.

It’s the third place play-off.

After 28 weeks of brain-to-brain combat, it's the final at last.