* 40/05/15    1 Smashing The Dope Ring
* 40/05/17    2 Sabotage and Liquidation - Parts 1 and 2
* 40/05/22    3 Murder for Profit Parts - Parts 1 and 2
* 40/05/24    4 Blasting the Dynamite Gang - Parts 1 and 2
* 40/05/29    6 Invisible Ghost Parts - Parts 1 and 2
* 40/05/31    6 Death Rides on Horseback - Parts 1 and 2
* 40/06/05    7 Death Strikes from the East - Parts 1 and 2
* 40/06/07    8 Sea Serpent - Parts 1 and 2
* 40/06/12    9 Frame-Up - Parts 1 and 2
* 40/06/14   10 Spirits Don't Talk - Parts 1 and 2
* 40/06/19   11 Thoroughbreds Always Come Through - Parts 1 and 2
* 40/06/21   12 Smashing the Arson Ring - Parts 1 and 2
* 40/06/26   13 Rounding up the Payroll Bandits - Part 1
* 40/06/28   14 Rounding Up The Payroll Bandits - Part 2
* 40/07/03   15 Crime Incorporated - Part 1
* 40/07/05   16 Crime Incorporated - Part 2
* 40/07/10   17 Saved by a Hair - Part 1
* 40/07/12   18 Saved By A Hair - Part 2
* 40/07/17   19 Finesse in Diamonds - Part 1
* 40/07/19   20 Finesse In Diamonds - Part 2
* 40/07/24   21 Sabotage Incorporated - Part 1
* 40/07/26   22 Sabotage, Incorporated - Part 2
* 40/07/31   23 Smashing the Restaurant Racket - Part 1
* 40/08/02   24 Smashing The Restaurant Racket - Part 2
* 40/08/07   25 Two Rackets in One - Part 1 
* 40/08/09   26 Two Rackets In One - Part 2
* 40/08/14   27 Underground Goes Underground - Part 1
* 40/08/16   28 The Underground Goes Underground - Part 2
* 40/08/21   29 The Dancing Ghost of Rocking Hill - Part 1
* 40/08/23   30 The Dancing Ghost Of Rocking Hill - Part 2
* 40/08/28   31 Whale of Pirates Folly  - Part 1
* 40/08/30   32 Whale Of Pirates Folly - Part 2
* 40/09/04   33 Asylum of Doctor Drear - Part 1
* 40/09/06   34 Asylum Of Doctor Drear - Part 2
* 40/09/11   35 Jewel Mystery of Channel Island  - Part 1
* 40/09/13   36 Jewel Mystery Of Channel Island - Part 2