A killer's attempt leaves Mannix blind.
| Title | The Sound of Darkness |
|---|---|
| Genres | Action & Adventure Crime Mystery Drama |
| Release Date | 1969-12-06 |
| Episode Runtime | 00 Hours 52 Minutes |
| Season Number | 3 |
| Episode Number | 10 |
| Production Companies | Desilu Productions, Norway Corporation, Paramount Television |
