Columns: Episode | Broadcast date | Run time | Viewers (in millions) | Archive
" Episode One " | 30January1971 | 24:39 | 6.1 | Manual colourisation | " Episode Two " | 6February1971 | 24:31 | 8.8 | Chroma dot colour recovery | " Episode Three " | 13February1971 | 24:30 | 7.5 | Chroma dot colour recovery | " Episode Four " | 20February1971 | 24:40 | 7.4 | Chroma dot colour recovery | " Episode Five " | 27February1971 | 23:34 | 7.6 | Chroma dot colour recovery | " Episode Six " | 6March1971 | 24:48 | 7.3 | Chroma dot colour recovery