Episode 4
Series Episode Number: 189World Premiere: Sat 13 Jan 1968 - 5:25pm GMT [BBC One] (United Kingdom)
Running Time: 23 minutes 46 seconds
7.80 Million (UK)
Appreciation Index: 49 (UK)Chart Position: 66 () (UK)
Recorded on Sat 23 Dec 1967 in Lime Grove D
Archive State: Found (11-Oct-13)
Kent coerces the Doctor into agreeing to impersonate Salamander. Deep beneath his research centre, Salamander is hiding a dark secret.
| Production Team include uncredited | ||
|---|---|---|
| Writer |  | David Whitaker |
| Director |  | Barry Letts |
| Producer |  | Innes Lloyd |
| Designer |  | Christopher Pemsel |
| Story Editor | | Peter Bryant |
| Title Music |  | Ron Grainer |
| and the | | BBC Radiophonic Workshop |
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