Columns: Episode | Broadcast date | Run time | Viewers (in millions) | Archive
" Episode 1 " | 21March1970 | 24:33 | 7.1 | PAL 2" colour videotape | " Episode 2 " | 28March1970 | 24:39 | 7.6 | Chroma dot colour recovery | " Episode 3 " | 4April1970 | 24:38 | 8.0 | Chroma dot colour recovery | " Episode 4 " | 11April1970 | 24:37 | 9.3 | Chroma dot colour recovery | " Episode 5 " | 18April1970 | 24:17 | 7.1 | PAL D3 colour restoration | " Episode 6 " | 25April1970 | 24:31 | 6.9 | Chroma dot colour recovery | " Episode 7 " | 2May1970 | 24:32 | 6.4 | Chroma dot colour recovery