Pop star Olivia Newton-John will revisit her famous role in the film GREASE when she helps find a new SANDY as part of a TV reality competition. GREASE: YOU'RE THE ONE THAT I WANT will search for a whole new Grease cast and Newton-John will guest-star on the first two episodes of the new series. The initial episodes will focus on nationwide auditions in the US and will start a process in which voters will choose the next Sandy and DANNY to star in a Broadway revival of the hit musical. Newton-John will provide commentary for the show, which debuts on US network NBC on 7 January (07). The singer recently sued record label Universal Music Group, claiming she is owed more than $1 million (GBP512,000) in royalties from sales of the soundtrack from the hit 1978 movie.