504: The Making of Season 21 on Blu-ray (part one)

We're just days away from the 1980s being complete on Blu-ray as part of Doctor Who - The Collection. To celebrate, we're looking at how some of the new content has been brought together, as well as restorations of the episodes themselves. In this episode, we speak to the hero that is Mark Ayres, on his work to restore and remaster the audio, PDF king Richard Bignell shares some of the highlights of his researches for the ongoing production archive, while Derek Handley talks us through the photographic galleries. Part two of this preview will arrive later this week.