Don Corey and Jed Sills operate Checkmate, Inc., a very high priced detective agency in San Francisco. Helping them protect the lives of their clients is British criminologist (once an Oxford professor) Carl Hyatt.
Don Corey and Jed Sills operate Checkmate, Inc., a very high priced detective agency in San Francisco. Helping them protect the lives of their clients is British criminologist (once an Oxford professor) Carl Hyatt.
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Seasons (2)
Season 1
17 Sep 1960 – 24 Jun 1961 · 36 episodes
1Death Runs Wild17 Sep 1960
2Interrupted Honeymoon24 Sep 1960
3The Cyanide Touch1 Oct 1960
4Lady on the Brink15 Oct 1960
5Face in the Window22 Oct 1960
6Runaway29 Oct 1960
7Target: Tycoon5 Nov 1960
8The Deadly Shadow12 Nov 1960
9The Dark Divide19 Nov 1960
10Moment of Truth26 Nov 1960
11The Mask of Vengeance3 Dec 1960
12The Murder Game17 Dec 1960
13The Princess in the Tower31 Dec 1960
14Terror from the East7 Jan 1961
15The Human Touch14 Jan 1961
16Hour of Execution21 Jan 1961
17Don't Believe a Word She Says28 Jan 1961
18Laugh Till I Die4 Feb 1961
19Between Two Guns11 Feb 1961
20A Matter of Conscience18 Feb 1961
21Melody for Murder25 Feb 1961
22Phantom Lover4 Mar 1961
23The Gift11 Mar 1961
24One for the Book18 Mar 1961
25The Paper Killer25 Mar 1961
26Jungle Castle1 Apr 1961
27The Deadly Silence8 Apr 1961
28Goodbye Griff15 Apr 1961
29Dance of Death22 Apr 1961
30Voyage Into Fear6 May 1961
31Tight As a Drum13 May 1961
32Death by Design20 May 1961
33The Thrill Seeker27 May 1961
34Hot Wind in a Cold Town10 Jun 1961
35A Slight Touch of Venom17 Jun 1961
36State of Shock24 Jun 1961
Season 2
4 Oct 1961 – 20 Jun 1962 · 34 episodes
1Portrait of a Man Running4 Oct 1961
2The Button Down Break11 Oct 1961
3The Heat of Passion18 Oct 1961
4Waiting for Jocko25 Oct 1961
5Through a Dark Glass1 Nov 1961
6Juan Moreno's Body8 Nov 1961
7Kill the Sound15 Nov 1961
8The Crimson Pool22 Nov 1961
9The Two of Us29 Nov 1961
10Nice Guys Finish Last13 Dec 1961
11To the Best of My Recollection27 Dec 1961
12A Funny Thing Happened on the Way to the Game3 Jan 1962
13The Star System10 Jan 1962
14The Renaissance of Gussie Hill17 Jan 1962
15A Very Rough Sketch24 Jan 1962
16The Yacht Club Gang31 Jan 1962
17Death Beyond Recall7 Feb 1962
18The Sound of Nervous Laughter14 Feb 1962
19An Assassin Arrives, Andante21 Feb 1962
20Remembrance of Crimes Past28 Feb 1962
21Heart Is a Handout7 Mar 1962
22A Brooding Fixation14 Mar 1962
23A Chant of Silence21 Mar 1962
24Trial by Midnight28 Mar 1962
25Ride a Wild Horse4 Apr 1962
26So Beats My Plastic Heart11 Apr 1962
27In a Foreign Quarter18 Apr 1962
28Referendum on Murder25 Apr 1962
29The Someday Man2 May 1962
30Rendezvous in Washington9 May 1962
31The Bold and the Tough16 May 1962
32Will the Real Killer Please Stand Up?23 May 1962