- Script Editor: Christopher H. Bidmead;
- Writer: Steve Gallagher;
- Produced by: John Nathan-Turner;
- Director: Paul Joyce;
- Designer: Graeme Story;
- Incidental Music: Peter Howell;
- Gundan: Robert Vowles (1-2);
- Voice of K-9: John Leeson;
- Romana: Lalla Ward;
- Adric: Matthew Waterhouse;
| Channel | Episode | Title | Date | Viewers | Position |
| BBC 1 |
542 |
Part One |
Sat 3 Jan 1981 |
317:20 - 17:45 |
7.1M |
88th |
| BBC 1 |
543 |
Part Two |
Sat 10 Jan 1981 |
1017:20 - 17:45 |
6.7M |
93rd |
| BBC 1 |
544 |
Part Three |
Sat 17 Jan 1981 |
1717:20 - 17:45 |
8.3M |
59th |
| BBC 1 |
545 |
Part Four |
Sat 24 Jan 1981 |
2417:20 - 17:45 |
7.8M |
69th |
This programme has not been repeated.
This programme has not been filmed on location or the locations are not known
- Television Centre Studio 1;
- Television Centre Studio 3;
This programme has no bloopers or mistakes. It's probably not perfect, just that they haven't been found or pointed out yet
This programme has not working titles
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