| Series | Number | Date | Title | Setter |
|---|---|---|---|---|
| Listener | 3039 | 18/01/1990 | Primes II | Piccadilly |
| Weekend | 72 | 20/01/1990 | 39 Across | Mass |
| Listener | 3040 | 25/01/1990 | 3 Ply | Mespot |
| Weekend | 73 | 27/01/1990 | Clippings | Phi |
| Listener | 3041 | 01/02/1990 | What's Subtle About It? Or Look at This | Peeper |
| Weekend | 74 | 03/02/1990 | Aquarius | Calmac |
| Listener | 3042 | 08/02/1990 | Double Helix | Adam |
| Weekend | 75 | 10/02/1990 | Occidental Plateau | Corylus |
| Listener | 3043 | 15/02/1990 | One-Time Pad | Swan |
| Weekend | 76 | 17/02/1990 | Ephemeral | Smokey |
| Listener | 3044 | 22/02/1990 | The Labours of Hercules VIII — The Horses of Diomedes | Phi |
| Weekend | 77 | 24/02/1990 | Double-entry | Mass |
| Listener | 3045 | 01/03/1990 | Three by Three | Sabre |
| Weekend | 78 | 03/03/1990 | In Ten Cases… | Phi |
| Listener | 3046 | 08/03/1990 | Misdefined II | Dogop |