Barney travels to Bonnybridge, Scotland - the UFO sighting capital of the world! But will he witness an alien invasion? We take a look at how the Ood work and go behind the scenes on the TARDISodes.

Special guest Ronny Jhutti talks about space, black holes and playing the part of Danny. And stunt co-ordinator Kevin McCurdy puts some young action heroes through their paces in the studio.

Abisola Agbaje joins Liz & Barney to chat about playing the part of Chloe and the Isouls. And set designer Edward Thomas shares his trade secrets.

Camille Coduri aka Jackie Tyler is back to help celebrate the final show, along with some Doctor Who monsters who will be taking part in our Monster's Ball.