Wigan's own Hacker T. Dog schmoozes with Jack Black, Dwayne Johnson, Kevin Hart and Nick Jonas , stars of the new Jumanji: Welcome to the Jungle.
What will the stars of the film make of his audition and sandwich song?
For more Saturday MashUp! visit https://www.bbc.co.uk/cbbc/shows/satu...
For more fun, CBBC games, shows, quizzes and great makes visit http://www.bbc.co.uk/cbbc/