Episode 1
Episode 2
Episode 3
Episode 4
Episode 5
Olly Murs welcomes the next four teams as they battle it out for a place in the final, and pop royalty Ronan Keating joins the star-studded panel to decide which team has won.
Episode 6
Adam Lambert, Beverley Knight and Jason Manford are joined once again by Ronan Keating to decide which team will go into the sing-off, and there's also a special duet performance.
Episode 7
Episode 8
