Rhaglen ffeithiol i blant, i gofnodi 60 mlynedd ers trychineb Aberfan. Factual programme for children, to mark 60 years since the Aberfan disaster.
4 o fisoedd ar ôl i wylio
23 o funudau
Gwyliwch yr holl raglenni o wasanaeth S4C i blant hŷn, Stwnsh.
