The 24 acts that made it through boot camp travel to four destinations in the hopes of placing in the final 12; mentors are joined by guests to help them select the best three acts for their category.
Simon Cowell returns to the judging panel; tensions mount as performers reach the judges' houses stage.
The last group of hopefuls perform at the judges' houses for a place in the final 12; only three acts will be selected for each category.
Caroline Flack and Olly Murs host as the singing competition's latest elimination is announced; the tension will become almost unbearable for the remaining acts as they learn their fate.
Simon Cowell returns to the judging panel in the eleven season.