Season 3

01 Eagles Sometimes Can't Fly Episode 127th September 1969 Two pals of Peggy's are accused of murder, and the real killer is elusive. 02 Color Her Missing Episode 24th October 1969 A colleague's death leads Mannix into a dubious investigation. 03 Return to Summer Grove Episode 311th October 1969 Old home week, as Mannix looks into a murder and tries to make up with his father. 04 The Playground Episode 418th October 1969 Someone is out to get a film star. 05 A Question of Midnight Episode 525th October 1969 Mannix reopens a malpractice case against opposition. 06 A Penny for the Peep Show Episode 628th March 1970 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. 07 A Sleep in the Deep Episode 78th November 1969 An accidental drowning has many surprising facets. 08 Memory: Zero Episode 822nd November 1969 A secretary has an enemy, but who? 09 The Nowhere Victim Episode 929th November 1969 A hit-and-run case lands Mannix in the middle of a gang war. 10 The Sound of Darkness Episode 106th December 1969 A killer's attempt leaves Mannix blind. 11 Who Killed Me? Episode 1113th December 1969 The attempted murder of an executive leads Mannix to several likely suspects. 12 Missing: Sun and Sky Episode 1220th December 1969 A stolen thoroughbred has Mannix buffaloed. 13 Tooth of the Serpent Episode 1327th December 1969 A policeman's son is suspected in a robbery. 14 Medal for a Hero Episode 143rd January 1970 Peggy's late husband is named on a list of payoffs. 15 Walk With a Dead Man Episode 1510th January 1970 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 Episode 1617th January 1970 Eyewitnesses peg Mannix's client, but the victim isn't what he seems, either. 17 Blind Mirror Episode 1724th January 1970 A domestic quarrel, and a missing secretary, make for a confusing case—“Rashomon”-style. 18 Harlequin's Gold Episode 1831st January 1970 Mannix tries to locate an heir, who is brought into danger by the attention. 19 Who is Sylvia? Episode 197th February 1970 A murder in the offing implicates an old army chum, but the victim's identity is uncertain. 20 Only One Death to a Customer Episode 2014th February 1970 Mannix has an enemy who seems to be dead. 21 Fly, Little One Episode 2121st February 1970 The strange utterances of a disturbed young girl are clues in a case of robbery and murder. 22 The Search for Darrell Andrews Episode 2228th February 1970 A colleague's death leaves Mannix with the evidence he was murdered for. 23 Murder Revisited Episode 237th March 1970 A TV host's murder proves difficult to investigate, as everyvbody wants it canceled. 24 War of Nerves Episode 2414th March 1970 Mobsters try to extort a million from a small town. 25 Once Upon a Saturday Episode 2521st March 1970 Carnival mishaps may be aimed at the proprietor.