Alonzo Pace Graham, freed from prison after 15 years, seeks revenge on Dr. Carl Hyatt. Graham devises an elaborate plot intended not only to kill Hyatt but ruin his reputation as well. Hyatt is implicated in a murder - a murder that never...
Aired: Sep 17, 1960 When wealthy widow Beatrice Martin Kipp hires Checkmate, Jed and Dr. Hyatt mu...
Aired: Sep 24, 1960 A desperate criminal, intending to flee the country, kidnaps a newly-wed brid...
Aired: Oct 1, 1960 Dean Stockwell guest stars as a college student out to avenge the death of hi...
Aired: Oct 15, 1960 A witness set to testify in a murder trial seeks the help of Checkmate fearin...
Aired: Oct 22, 1960 A well respected archaeologist is about to murder a mysterious man, supposedl...
Aired: Oct 29, 1960 A girl shows up at Corey's apartment, claiming that she is running from someo...
Aired: Nov 5, 1960 A woman hired Checkmate to prevent the murder of her father, an oil magnate. ...
Aired: Nov 12, 1960 A young widow is attacked and the only photograph of her dead husband, a Mari...
Aired: Nov 19, 1960 Barbara Rush plays a dual role as the inhibited Margaret Russell and the wild...
Aired: Nov 26, 1960 While on vacation in Tijuana, Don and Jed become involved in a murder investi...
Aired: Dec 3, 1960 Checkmate is hired to protect an Ambassador's daughter receiving death threat...
Aired: Dec 17, 1960 The detectives are shocked when one of their mentors, a highly respected atto...
Aired: Dec 31, 1960 Corry and Sills's cleaning woman is killed in a fall just after warning Sills...
Aired: Jan 7, 1961 A missionary arrives from the east and contacts Checkmate to warn them about ...
Aired: Jan 14, 1961 Alonzo Pace Graham, freed from prison after 15 years, seeks revenge on Dr. Ca...
Aired: Jan 21, 1961 When a judge and friend of Dr. Hyatt receives telephone calls and letters thr...
17. Don't Believe a Word She Says
Aired: Jan 28, 1961Checkmate has more than one mystery to solve when they are hired by an unknow...
Aired: Feb 4, 1961 The Checkmate boys have their hands full in protecting their client Danny Whi...
Aired: Feb 11, 1961 The Checkmate team has big trouble when Joe Farrell and his gang of hoods tak...
Aired: Feb 18, 1961
Aired: Feb 25, 1961 Checkmate is hired by a pop singer's agent to investigate death threats. Jed ...
Aired: Mar 4, 1961
Aired: Mar 11, 1961 Lola Tuscany, a temperamental lady soprano, is having premonitions of her dea...
Aired: Mar 18, 1961 Audrey Meadows stars as a writer of a scandalous, best-selling novel based on...
Aired: Mar 25, 1961
Aired: Apr 1, 1961 After two attempts on his life, big game hunter Lee Tabor brings Dr. Hyatt an...
Aired: Apr 8, 1961 Gangsters chase a deaf schoolteacher who has read their lips and so learned o...
Aired: Apr 15, 1961 ""Ex-convict Griff Nolan is jealous because his wife Libby earns more as a ma...
Aired: May 6, 1961 Joan Fontaine plays a woman who claims her husband is trying to kill her. Cor...
Aired: May 13, 1961
Aired: May 20, 1961
Aired: May 27, 1961
Aired: Jun 10, 1961 A Washed up Hollywood Movie Stuntman's life is being threatened by someone wo...
Aired: Jun 17, 1961
Aired: Jun 24, 1961 A series of carefully planned "accidents" aimed at a wealthy heiress who is t...
