Series 3 & 4 champions the Epicureans take on Series 1 & 2 champions the Crossworders.
In the series finale, three professional analysts square up to a trio of history buffs.
Listener crossword fans play a trade union group in the 3rd/4th place play-off.
Frank is joined in Maidstone by Greg Davies and Victoria Coren.
A trio of analysts and three members of a trade union group meet in the semi-final.
Two teams of celebrities compete in a special edition of the show for Children in Need.
Three fans of the Listener crossword take on a trio with a shared love of history.
Three analysts square up to three colleagues at a creative engineering firm.
Jo Brand hosts this edition, with guest panellists Victoria Coren and Graham Linehan.
Mackenzie Crook, Chris Packham, Victoria Coren and Rhod Gilbert join the regulars.
A team of rowers plays three fans of the Listener crossword in the second quarter-final.
Three online pals take on a trio of history buffs in the first of the quarter-finals.
Three rowers play a trio of linguists.
Three Listener crossword fans play a trio of choristers from Sheffield University.
Three online football team managers take on a team who love historical things.
A team of professional analysts pit their wits against a trio of editors.
A father, son and daughter-in-law square up to three postgraduate chemistry students.
The Gamblers square up to the Epicureans in a battle of series winners.
Champion of champions the Crossworders take on a team of ex-University Challenge players.
With host Alexander Armstrong and guest panellists Richard Herring and Victoria Coren.