Y tro yma ar Y Fets mae Macs y ci defaid wedi cael damwain ar y fferm ac angen triniaeth ar frys. Mae yna benderfyniad mawr o flaen teulu Nel y labrador ac mae Phil y Fet yn ceisio trwsio coes oen bach sydd wedi ei dorri.
In this week's episode Macs the sheepdog needs urgent treatment following an accident on the farm. The owners of labrador, Nel, have a difficult decision to make and Phil endeavours to fix a lamb's broken leg. Follow their stories on Y Fets.
