Gwasanaeth S4C ir plant ifancaf yw Cyw. Ymunwch â byd hudol Cyw drwy gwrdd âr cymeriadau, darllen straeon, chwarae gemau a dysgu caneuon. Maen fyd lliwgar, dwyieithog ac yn gyfle i blant ag oedolion ddysgu a mwynhau yng nghwmni ei gilydd.
--
Cyw is S4Cs service for the youngest children. Become part of Cyws magical world, meet the characters, have fun reading stories, play games and learn songs. Cyws world is safe and colourful, bilingual environment that welcomes children and grown-ups alike to learn and have fun together.