
Season 3
1969 · 25 episodes
Episodes

1. Eagles Sometimes Can't Fly
September 27, 1969 · 52m
Two pals of Peggy's are accused of murder, and the real killer is elusive.

2. Color Her Missing
October 4, 1969 · 52m
A colleague's death leads Mannix into a dubious investigation.

3. Return to Summer Grove
October 11, 1969 · 52m
Old home week, as Mannix looks into a murder and tries to make up with his father.

4. The Playground
October 18, 1969 · 52m
Someone is out to get a film star.

5. A Question of Midnight
October 25, 1969 · 52m
Mannix reopens a malpractice case against opposition.

6. A Penny for the Peep Show
March 28, 1970 · 52m
Three thugs hold Mannix, Peggy, and a woman hostage, claiming they want the $312,000 she has in a briefcase at home, but they may be after something even more valuable.

7. A Sleep in the Deep
November 8, 1969 · 52m
An accidental drowning has many surprising facets.

8. Memory: Zero
November 22, 1969 · 52m
A secretary has an enemy, but who?

9. The Nowhere Victim
November 29, 1969 · 52m
A hit-and-run case lands Mannix in the middle of a gang war.

10. The Sound of Darkness
December 6, 1969 · 52m
A killer's attempt leaves Mannix blind.

11. Who Killed Me?
December 13, 1969 · 52m
The attempted murder of an executive leads Mannix to several likely suspects.

12. Missing: Sun and Sky
December 20, 1969 · 52m
A stolen thoroughbred has Mannix buffaloed.

13. Tooth of the Serpent
December 27, 1969 · 52m
A policeman's son is suspected in a robbery.

14. Medal for a Hero
January 3, 1970 · 52m
Peggy's late husband is named on a list of payoffs.

15. Walk With a Dead Man
January 10, 1970 · 52m
A wealthy man hires Mannix to find the person blackmailing him—eventually leading to Mannix being suspected of murder.

16. A Chance at the Roses
January 17, 1970 · 52m
Eyewitnesses peg Mannix's client, but the victim isn't what he seems, either.

17. Blind Mirror
January 24, 1970 · 52m
A domestic quarrel, and a missing secretary, make for a confusing case—“Rashomon”-style.

18. Harlequin's Gold
January 31, 1970 · 52m
Mannix tries to locate an heir, who is brought into danger by the attention.

19. Who is Sylvia?
February 7, 1970 · 52m
A murder in the offing implicates an old army chum, but the victim's identity is uncertain.

20. Only One Death to a Customer
February 14, 1970 · 52m
Mannix has an enemy who seems to be dead.

21. Fly, Little One
February 21, 1970 · 52m
The strange utterances of a disturbed young girl are clues in a case of robbery and murder.

22. The Search for Darrell Andrews
February 28, 1970 · 52m
A colleague's death leaves Mannix with the evidence he was murdered for.

23. Murder Revisited
March 7, 1970 · 52m
A TV host's murder proves difficult to investigate, as everyvbody wants it canceled.

24. War of Nerves
March 14, 1970 · 52m
Mobsters try to extort a million from a small town.

25. Once Upon a Saturday
March 21, 1970 · 52m
Carnival mishaps may be aimed at the proprietor.