Aled and Sin love playing in autumn, spring, summer and winter. They do special things in each season. Aled and Sin's friends share stories about the special things they do. They are excited to hear about the festivals of Harvest, Hanukkah, Holi and Eid. Mae Aled a Sin wrth eu bodd yn chwarae yn yr hydref, y gwanwyn, yr haf a'r gaeaf. Maen nhw'n gwneud pethau arbennig ym mhob tymor. Mae ffrindiau Aled a Sin yn rhannu storau am y pethau arbennig maen nhw'n eu gwneud. Maen nhw wrth eu bodd yn clywed am wyliau'r Cynhaeaf, Hanukkah, Holi ac Eid.