Addasiad Cymraeg o un o glasuron Roald Dahl, George's Marvellous Medicine. Mae rhieni George i ffwrdd am y diwrnod, ac mae arno chwant gwneud rhywbeth am ei fam-gu. Mae 'rhywbeth' yn golygu mynd i'w th , casglu pob math o gynhwysion ych-a-fi a gwneud cymysgedd hud sy'n mynd i wneud iddi ddiflannu. Ond yn lle diflannu, mae'n mynd yn fwy. A Welsh adaptation of Roald Dahl's George's Marvellous Medicine. When George's parents are away for the day, he's tempted to do something about his tyrannical grandmother. So he collects all kinds of horrible ingredients around the house to create a magic potion to make her disappear! Suitable for children aged 7 years+, Key Stage 2.