The double-act take their weekend showcase away from the confines of the studio, setting up shop on the deck of a cruise ship in Barcelona for their series finale. This week, The Hobbit star James Nesbitt takes the helm as guest announcer, while TV personality and pop star Peter Andre gets to Singalong Live with his most famous hit, Mysterious Girl. The culprit is finally unveiled in Who Shot Simon Cowell?, and tennis star Andy Murray receives a grilling from precocious mini-presenters Little Ant and Dec. The hosts enter ITV's infamous Cube for one last round of Ant v Dec, and one unsuspecting passenger receives a huge surprise. Plus, a lucky audience member is given a chance to Win the Ads, and the Geordie duo round off the with an all-singing, all-dancing End of the Show Show. Last in the series

This week Ant & Dec are joined from a galaxy far, far away by Luke Skywalker himself, as Mark Hamill is this week's guest announcer.

Ant & Dec are still on the run in the 4th instalment of Who Shot Simon Cowell? As they manage to track down their prime suspect - Louis Walsh. Ant & Dec go head to head on mini-motorbikes in a madcap style race around the studio in Ant Vs Dec.

And for one night only the cast of the West End musical Billy Elliot teach Little Ant & Dec to ballet dance in the cutest End of the Show Show EVER!

And if that isn't enough the Fickle Finger of Fate will be set on the loose to decide which lucky audience member will play Win the Ads in the only show that says don't just watch the adverts - win ‘em!

This week's guests include: Hugh Jackman and Taron Egerton.

Guests this week include Mel B, Jennifer Lawrence and Craig David.

Guests featuring this week include Kate Hudson, Bear Grylls. The second instalment of Who Shot Simon Cowell? see David Walliams as a suspect. With Stephen Mulhern hosting Ant vs. Dec.

Guests featuring this week include Gino D'Acampo, Bryan Adams and Little Mix. Who Shot Simon Cowell? begins. With Stephen Mulhern hosting Ant vs. Dec.

A British television variety show presented and executively produced by Ant & Dec. Stephen Mulhern hosts Ant vs Dec. Jennifer Lawrence is interviewed by Little Ant & Dec. The duo head to LA to wreak havoc on the set of James Corden's US chat show.