Overview:Tonight's episode sees the competition reach a new level as the dramatic Six Chair Challenge returns, promising some amazing performances alongside some agonising decisions for the judges, as they must each decide on the final six acts they will take through to their Judge's House. In the first of three special Six Chair Challenge episodes, the stakes are high as the acts perform individually and their judge then has to decide, there and then in front of the audience, if they want the act to take one of the six seats on stage – each one representing a place at Judges' Houses. However, even if they win a seat, the contestants face an anxious wait as no one is safe until the last person in each category has sung. Each judge is able to change their mind at any point swapping an act already through with someone else who comes on and out-performs them. Who will have what it takes to keep hold of their seat and be one step closer to a coveted place in the lives shows?