The Abbey auditions for it's highly sought after Father Christmas part. Turning up are Sir Bruce Forsyth, Gordon Ramsay, Gok Wan, Brenda Blethyn as Vera, Jim Broadbent, Michelle Keegan and Warwick Davis.

Channing Tatum (The Hateful Eight (2015)); John Boyega (Star Wars: Episode VII - The Force Awakens (2015)). Also: The Young People's Chorus of New York City performs with The Roots.

The team reaches the mobile lab, which turns out to be a submarine; Murphy says goodbye.