All Creatures Great and Small (2020) - Season 1 Episode 3 -

Siegfried applies to become attending vet at Darrowby racecourse - but the position comes with conditions. Tristan collects the debts owed to the surgery, but ends up losing all the money and resorts to placing a risky bet to cover up his mistake. When the favourite to win on the race day is diagnosed with a inoperable condition, James has his first painful experience.