John Barrowman makes more dreams come true for some very special people. A schoolteacher gives the performance of his life thanks to a masterclass with international superstar Barry Manilow. There's a wedding surprise in the form of a dance routine inspired by the groom's favourite musical, Mama Mia! A dance-mad mum meets her hero, tap legend Adam Garcia, and a woman from Liverpool gets the shock of her life when John arranges for her to perform with West End star Jodie Prenger. Plus which member of the studio audience deserves a song dedication?