S0E20 : The Five Doctors: 40th Anniversary Edition

Based on the original broadcast version, this special edition is restored from the original film negatives and features brand new special effects, as well as a Dolby Atmos soundtrack. This release, created for the "Doctor Who - The Collection: Season 20" Blu-ray, is accompanied by a new audio commentary with Peter Davison, Janet Fielding, and Mark Strickson.