Behind the Sofa was a series of videos included in each release of The Collection Blu-ray sets featuring cast and crew members from the show watching serials from the correspondent season.

Cast and crew discuss the making of The Sea Devils, from the television series Doctor Who.

Cast and crew look back on the filming of Doctor Who: The Robots of Death

Tony Hudson offers his young wife Jane a cruise on a yacht as a honeymoon trip. Although Jane suffers from chronic seasickness, she accepts and one day they go on board the Turtle, a fine yacht owned by an industrialist friend, Dudley Partridge. A lot of misadventures await them before they finally reach France.

A look at an extraordinary era of musical experimentation within Doctor Who, with special emphasis on the musical scores for Doctor Who and the Silurians and The Sea Devils. Featuring producer Barry Letts, composer Mark Ayres and directors Timothy Combe, Christopher Barry and Michael Briant, with an archive appearance from Radiophonic composer Malcolm Clarke.

The making of Revenge of the Cybermen, with director Michael E Briant, incoming producer Philip Hinchcliffe and outgoing producer Barry Letts.

Cast and crew look back at the making of Colony in Space.

Doctor Who directors Michael Briant, Graeme Harper and Tim Combe take an epic road trip to all the filming locations from Season 8 as they discuss directing the show in the early 1970s.