Jason Manford hosts another spectacular celebration of musical theatre filmed at Manchester's AO Arena, featuring sensational performances from the casts of 13 of the UK's best-loved West End and touring productions - along with a few surprises along the way.The full cast of Hamilton take to the stage in a television exclusive, Call The Midwife's Helen George appears in Rodgers and Hammerstein's The King and I, and Michael Ball performs an iconic song from Aspects of Love.Also featured are show-stopping numbers from the casts of the Royal Shakespeare Company's Matilda, We Will Rock You, Disney's Newsies, Six, Ain't Too Proud, Shrek and Mamma Mia!Incredible performances from Les Misérables, The Bodyguard and Wicked complete the line-up.Jason also gives some young musical theatre fans the chance of a lifetime as they join him on stage for a very special performance. And there is a star-studded celebration of the career of Sir Andrew Lloyd Webber and a behind the scenes look at touring show Heathers: The Musical.