Doctor Who star Jodie Whittaker meets Hacker!

Hacker T. Dog meets The Doctor, Jodie Whittaker and has a go at recreating the iconic theme tune with the rest of the new cast to hilarious effect. Make sure you tune into Saturday Mash-Up! on the CBBC channel every Saturday at 9am for more brilliant music performances, fun and challenges. To watch the full episode head to BBC iPlayer. For more Saturday Mash-Up! 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/