| No | Programme Title | Transmission Date and Time | Company | Thousands of Viewers |
|---|---|---|---|---|
| 1 | EISTEDDFOD GENEDLAETHOL 2015 | Tuesday (20:00) and Tuesday (23:00) | BBC Cymru | 40 |
| 2 | EISTEDDFOD GENEDLAETHOL 2015 | Sunday (20:00) | BBC Cymru | 35 |
| 3 | EISTEDDFOD GENEDLAETHOL 2015 | Thursday (20:00) and Thursday (23:00) | BBC Cymru | 32 |
| 4 | EISTEDDFOD GENEDLAETHOL 2015 | Monday (20:00) and Monday (23:00) | BBC Cymru | 30 |
| 5 | DECHRAU CANU DECHRAU CANMOL | Sunday (19:00) and Wednesday W33 (13:30) | Avanti | 29 |
| = | NEWYDDION 9 | Thursday (21:00) | BBC Cymru | 29 |
| 7 | EISTEDDFOD GENEDLAETHOL 2015 | Saturday (19:10) and Saturday (23:05) | BBC Cymru | 25 |
| 8 | BOIS Y BAC | Thursday (21:30) | BBC Cymru | 23 |
| 9 | NEWYDDION 9 | Wednesday (21:00) | BBC Cymru | 22 |
| = | NEWYDDION 9 | Friday (21:00) | BBC Cymru | 22 |
| 11 | CLWB RYGBI RHYNGWLADOL (CYMRU v IWERDDON) | Saturday (20:15) and Sunday (13:30) | BBC Cymru | 21 |
| = | HENO | Monday (19:00) | Tinopolis | 21 |
| 13 | EISTEDDFOD GENEDLAETHOL 2015 | Wednesday (16:15) | BBC Cymru | 20 |
| = | EISTEDDFOD GENEDLAETHOL 2015 | Saturday (16:30) | BBC Cymru | 20 |
| 15 | EISTEDDFOD GENEDLAETHOL 2015 | Wednesday (18:30) | BBC Cymru | 19 |
| = | GORAU GLANAETHWY | Tuesday (19:30) | Rondo | 19 |
| 17 | HYWEL DDOE A HEDDIW | Thursday (19:30) | Tinopolis | 18 |
| = | EISTEDDFOD GENEDLAETHOL 2015 | Wednesday (21:15) | BBC Cymru | 18 |
| = | HENO | Tuesday (19:00) | Tinopolis | 18 |
| 20 | EISTEDDFOD GENEDLAETHOL 2015 | Tuesday (16:30) | BBC Cymru | 17 |
| = | EISTEDDFOD GENEDLAETHOL 2015 | Friday (21:15) | BBC Cymru | 17 |
