Ysgolion Brynrefail a Gwynllyw'n ceisio cyrraedd y rownd derfynol. Ysgol Brynrefail and Ysgol Gwynllyw compete to reach the final of Radio Cymru's pop quiz.
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Ysgolion Brynrefail a Gwynllyw'n ceisio cyrraedd y rownd derfynol. Ysgol Brynrefail and Ysgol Gwynllyw compete to reach the final of Radio Cymru's pop quiz.
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
