| No | Programme Title | Transmission Date and Time | Company | Thousands of Viewers |
|---|---|---|---|---|
| 1 | Y GYMANFA GANU | Sunday (20:00) | BBC Cymru | 43 |
| 2 | POBOL Y CWM | Wednesday (20:00) and Sunday (17:40) | BBC Cymru | 41 |
| 3 | POBOL Y CWM | Monday (20:00) and Sunday (16:50) | BBC Cymru | 39 |
| 4 | POBOL Y CWM | Thursday (19:30) and Sunday (18:05) | BBC Cymru | 37 |
| 5 | PATROL PAWENNAU | Thursday (16:35) | Cwmni Da | 36 |
| 6 | PATROL PAWENNAU | Tuesday (07:30) and Saturday (07:30) | Cwmni Da | 34 |
| 7 | PATROL PAWENNAU | Tuesday (16:35) | Cwmni Da | 30 |
| 8 | PATROL PAWENNAU | Thursday (07:30) and Sunday (08:40) | Cwmni Da | 30 |
| 9 | POBOL Y CWM | Tuesday (19:30) and Sunday (17:15) | BBC Cymru | 29 |
| 10 | EISTEDDFOD GENEDLAETHOL CYMRU 2018 | Sunday (21:35) and Monday W32 (00:10) | BBC Cymru | 26 |
| 11 | PEPPA | Thursday (16:00) | Cwmni Da | 23 |
| 12 | EISTEDDFOD GENEDLAETHOL CYMRU 2018 | Friday (20:00) | BBC Cymru | 22 |
| 13 | EISTEDDFOD GENEDLAETHOL CYMRU 2018 | Saturday (20:00) and Saturday (23:30) | BBC Cymru | 22 |
| 14 | HWYL Y NOSON LAWEN | Saturday (21:00) | Cwmni Da | 21 |
| 15 | NEWYDDION 9 | Friday (21:00) | BBC Cymru | 21 |
| 16 | ADRE | Wednesday (20:25) and Friday (18:05) | Boom Cymru TV | 20 |
| 17 | NEWYDDION 9 | Wednesday (21:00) | BBC Cymru | 19 |
| 18 | ABADAS | Tuesday (08:30) | Dinamo | 18 |
| 19 | PEPPA | Saturday (06:40) | Cwmni Da | 16 |
| 20 | PATROL PAWENNAU | Tuesday (11:30) | Cwmni Da | 15 |
