S4·E21 Voice in the Dark
Core
Aired February 20, 1971
Synopsis
After an automobile accident, an Olympic diver receives threats.
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Frequently Asked Questions
When did Season 4 Episode 21 of Mannix air?
Season 4, Episode 21 ('Voice in the Dark') originally aired on February 20, 1971.
How long is Season 4 Episode 21 ('Voice in the Dark')?
The episode follows the standard broadcast runtime for Mannix.
What happens in Mannix Season 4 Episode 21?
After an automobile accident, an Olympic diver receives threats....