Claudia Winkleman, Mika and Lang Lang celebrate Christmas at Battersea Power Station in central London. They are joined by some of the stars of series two who perform seasonal favourites, including Walking in the Air, O Holy Night and River. Brad Kella, the winner of this year's series, returns with a show-stopping performance, while Mika and Lang Lang duet on a Beatles classic.

It's the big night. At the final concert the pianists play live in front of a sold-out auditorium. Who'll be awarded the coveted performance of the night? 

With the final concert approaching, Mika, Lang Lang and Claudia make a surprise late change to the line-up as they get the chosen amateur pianists ready for the big stage.

At Liverpool Lime Street, Claudia, Mika and Lang Lang hear the skills of a rapping call centre manager and the infamous Billy the Hat, and join with in a station sing-a-long.

At London's Victoria Station, a romantic milkman plays his heart out. There's a soulful rugby player. And Lang Lang hails 'the new Bach'. But who's going to the final?

At Edinburgh Waverley station, Claudia, Mika and Lang Lang are blown away by a boy in a bow tie and charmed by a piano-playing postie, and get caught up by an Argentine tango.

Cameras catch up with the youngster who rose to fame via her association with the first series of The Piano. Lucy, who is blind and neurodivergent, stole the nation's hearts after being discovered performing on a keyboard at Leeds Train Station. This documentary also explores how Lucy 'communicates' through music.

At Cardiff Central train station in Wales - 'the land of song' - the search for more amazing amateur pianists continues with triplets and a man on a bike singing about conkers.

Claudia Winkleman, Mika and Lang Lang return for a brand-new search to unearth more of the UK's most exciting amateur pianists, starting at Manchester Piccadilly station.