Hazell Knutt's Muesli Bar - S5.E5

In the Austrian alps, scientist Wolfgang Krimper works feverishly on a cure for his aging, but ends up creating a formula that frequently switches him from an old man to a young boy. Things are worsened when T-Shirt takes a sip of the formula and regresses to a young baby. Sally's spoons are stolen and it falls to her and bar owner Hazel Knutt to get them back...