The duo return with the entertainment show featuring surprises galore and competitions, with actor David Tennant in the studio as Guest Announcer. Alison Hammond stars in a terrifying Undercover, while singer Tom Grennan appears in a mind-blowing End of the Show Show. Plus, Stephen Mulhern returns for another Ant versus Dec challenge, Fleur East is out and about with a very special Gift on a Shift and Jordan North is on a mission somewhere in the UK.