Host John Barrowman continues his mission to make the nation's performing dreams come true.

Russell Watson joins 17-year-old student Lewis Lakin for an emotional rendition of You Raise Me Up, while community police officer and local hero Bradley Ward fulfils his life-long dream to croon with a big band.

The final four Workplace Wonders battle it out for a place in the final, and the intergalactic quest to find the next alien superstar comes to its gripping conclusion as the winner of the out-of-this-world prize to star opposite Captain Jack in a specially-written Doctor Who scene is unearthed by the expert panel of John Barrowman, Denise Van Outen and casting director Andy Pryor.