| The China Coast Incident | 1 | 1948-04-25 | [G Plot] The '21 Old Men of 10 Gramercy Park' send Jack on a trip to Saigon to bring back a scientist and his secret invention. Jack winds up sinking a pirate submarine. |
| The Great Airmail Robbery | 2 | 1948-05-02 | [G Plot] Jack and Reggie foil a gang of stratospheric pirates. |
| The Devil's Sanctuary | 3 | 1948-05-09 | [G Plot] Jack and Reggie foil Nazi renegades on a secret island with a secret submarine. |
| The Pearl of Great Price | 4 | 1948-05-16 | [G Plot] The adventurers are sent into the Indochinese jungle to recover treasure from a lost city. |
| The Hundred Million Dollar Manhunt | 5 | 1948-05-23 | [G Plot] A fortune in diamonds leads Jack and Reggie to Dutch Guiana. |
| The Finishing School Kidnapping | 6 | 1948-05-30 | [G Plot] An entire girls finishing school has been spirted off to a monastary in Tibet. |
| But Grandma, What Big Teeth You Have | 7 | 1948-06-06 | [G Plot] An evil grandmother has been hypnotizing her grandson and killing cops. |
| The Man With the Third Green Eye | 8 | 1948-06-13 | [G Plot] The most valuable stamp in the world contains information about a uranium mine that can help rule the world! The script was subsequently used on, 'The Man Called X' on February 19, 1952 (see cat. |
| The Girl in the Street | 9 | 1948-06-20 | [G Plot] A horror tale about a woman victimized by an international gang. |
| The Kwan Moon Dagger | 10 | 1948-06-27 | [G Plot] Jack and Doc track down the missing dagger from the temple of an oriental country, and find stolen uranium. |
| Assignment With a Displaced Person | 11 | 1948-07-04 | [G Plot] A young Mexican girl comes to wicked Los Angeles to find her lover has been killed. |
| Hearse on the Highway | 12 | 1948-07-11 | [G Plot] Jack and Doc try to stop a gang of hijackers. |
| The Ambassador Ricardo Santos Affair | 13 | 1948-07-18 | [G Plot] Traveling between Istanbul and South America is an ambassador whose life must be protected from assassins. A crash in the jungle leads to adventure. |
