| A Force Called X07 | 1 | 1951-05-20 | |
| The Smoke Screen | 2 | 1951-05-27 | |
| Blackmail | 3 | 1951-06-03 | |
| The Dead Land | 4 | 1951-06-10 | |
| The Kuriloff Papers [West Coast] | 5 | 1951-06-13 | |
| The Bazaloff Papers | 5 | 1951-06-17 | |
| The Victim | 6 | 1951-06-24 | |
| Project 77 | 7 | 1951-07-01 | |
| Sabotage | 8 | 1951-07-08 | |
| Escape | 9 | 1951-07-15 | |
| The Wheel of Life | 10 | 1951-07-22 | |
| The Yellow Robe or the Lama's Amah | 11 | 1951-07-29 | |
| The Voronzoff Necklace | 12 | 1951-08-05 | |
| Waltzing Matilda | 13 | 1951-08-12 | |
| The Beauty and the Avenger | 14 | 1951-08-19 | |
| The Shen Tsung Fan | 15 | 1951-08-26 | |
| The Three Numbers | 16 | 1951-09-02 | |
| The Unhappy Firebug | 17 | 1951-09-09 | |
| The Blue Cigarettes | 18 | 1951-09-16 | |
| The Kants of Kailuaneohe | 19 | 1951-09-23 | |
| The Schraum Method | 20 | 1951-10-01 | |
| The Crooked Log | 21 | 1951-10-07 | |
| The Strange Elopement of Professor Sloane | 22 | 1951-10-13 | |
| The Dry Martini | 23 | 1951-10-20 | |
