Where the Fourth Doctor left off, the Eighth Doctor comes to finish the job. With Romana and K9 by his side, they have to stop the evil Skagra. A remounted version of the abandoned Fourth Doctor serial, rewritten to feature the Eighth Doctor and fit in with the Big Finish audio drama continuity.

Sorry! is a British sitcom that aired on BBC1 from 1981 to 1982 and from 1985 to 1988. Starring Ronnie Corbett, it was written by Ian Davidson and Peter Vincent, both of whom had previously written for The Two Ronnies, of whom Corbett was one half.

The theme music was composed by Gaynor Colbourn and Hugh Wisdom, and arranged and conducted by Ronnie Hazelhurst.

The outdoor scenes were filmed in Wallingford, Oxfordshire.

Retired commander of the United Nations' Intelligence Taskforce, and long-time associate of the mysterious time traveler the Doctor, Brigadier Alistair Lethbridge-Stewart faces the toughest battle of his military career when he is embroiled in a plot unwittingly set in motion by university chancellor Victoria Waterfield, herself a former companion of the Doctor, to take over the Earth by an evil alien entity called the Great Intelligence, aided by its ferocious robot Yeti cohorts. Can the Brigadier defeat this menace to the Earth without the Doctor's help?