| No | Programme Title | Transmission Date and Time | Company | Thousands of Viewers |
|---|---|---|---|---|
| 1 | CLWB RYGBI (GWEILCH v CONNACHT) | Friday (19:30) | BBC Cymru | 78 |
| 2 | POBOL Y CWM | Monday (20:00) and Sunday (17:40) | BBC Cymru | 35 |
| 3 | POBOL Y CWM | Tuesday (19:30) and Sunday (18:00) | BBC Cymru | 34 |
| = | POBOL Y CWM | Thursday (19:30) and Sunday (18:45) | BBC Cymru | 34 |
| 5 | POBOL Y CWM | Wednesday (19:30) and Sunday (18:25) | BBC Cymru | 32 |
| 6 | CEFN GWLAD | Tuesday (20:00), Wednesday (12:30) and Saturday (12:40) | ITV Cymru | 26 |
| 7 | DECHRAU CANU DECHRAU CANMOL | Sunday (19:30) | Rondo | 24 |
| 8 | CLWB RYGBI (SCARLETS v GLASGOW) | Sunday (15:45) | BBC Cymru | 23 |
| 9 | AR WERTH | Wednesday (21:30) | Boom Cymru TV | 21 |
| 10 | NEWYDDION 9 | Wednesday (21:00) | BBC Cymru | 20 |
| 11 | RYGBI | Monday (15:45) | Sunset & Vine / SMS | 18 |
| 12 | NEWYDDION 9 | Tuesday (21:00) | BBC Cymru | 16 |
| = | GALW NAIN NAIN NAIN | Friday (21:35) and Wednesday W15 (22:30) | Antena | 16 |
| 14 | OLI DAN Y DON | Monday (09:20) | S4C | 15 |
| = | ROWND A ROWND | Thursday (18:30) and Sunday (11:00) | Rondo | 15 |
| 16 | RYGBI | Saturday (17:00) | Sunset & Vine / SMS | 14 |
| = | NEWYDDION 9 | Thursday (21:00) | BBC Cymru | 14 |
| 18 | GWAITH CARTREF | Thursday (20:00) and Monday W15 (18:05) | Fiction Factory | 13 |
| = | BAND CYMRU 2018 | Sunday (20:00), Tuesday W15 (22:00) and Friday W15 (12:30) | Rondo | 13 |
| 20 | GOGS | Friday (17:30) | Aaargh Animation | 13 |
| = | NEWYDDION S4C | Friday (18:00) | BBC Cymru | 13 |
