The tactical team quiz reaches its conclusion as Nick Ross introduces the two teams who have battled their way to the final phase - tonight facing the toughest questions and the most vital tactical decisions.

Nick Ross hosts the second semi-final in the tactical quiz.

Nick Ross hosts the tactical general-knowledge team quiz, which moves into the first semi-final stage with two of the remaining four teams battling for a place in Friday's final.

Nick Ross is the question master in the last quarter-final of the tactical general-knowledge team quiz

Nick Ross hosts the quarter-final of the tactical team quiz.

Nick Ross hosts the second quarter-final of the tactical team quiz involving general-knowledge and mental agility.

Nick Ross hosts the tactical quiz, with teams from Kent and Yorkshire battling it out in the first quarter-final contest.

Nick Ross hosts the tactical quiz, with teams from Reading and Liverpool battling for the last quarter-final place.

Nick Ross hosts the tactical general-knowledge quiz, with teams from Newcastle upon Tyne and Belfast battling it out.

Nick Ross hosts the tactical quiz, with teams from Bury St Edmunds, Suffolk, and Wakefield, west Yorkshire.

Nick Ross hosts the tactical general-knowledge team quiz. This week's teams are from London and Birmingham.

Nick Ross hosts the tactical team quiz, with two syndicates testing their general-knowledge and mental agility.

Nick Ross hosts the tactical team quiz, with two syndicates testing their general-knowledge and mental agility.

Nick Ross hosts the tactical team quiz, with two syndicates testing their general-knowledge and mental agility.

Nick Ross hosts the first in a new 15-part tactical team quiz, with two four-strong syndicates of players testing their general-knowledge and mental agility.