3/4. Steph and Dom from Gogglebox, This Morning's Alison Hammond and the presenters of The One Show are among those competing for places in the finale. Also in HD. [S]
2/4. Among the celebrity acts competing are the stars of Casualty and Holby City, quiz geniuses the Chasers and new boy band Boys Allowed. Also in HD. [S]
1/4. Mel Giedroyc and Sue Perkins host as five celebrity acts sing and dance to iconic pop tracks, competing to make it through to the grand finale. Also in HD. [S]