Doc McStuffins (2012)

S3E36 Kirby's Derby

Sir Kirby aspires to claim victory in the McStuffins Derby cup and the Rose Crown, facing off against the Wicked King, Queen Amina, and Dress-Up Daisy. However, an unfortunate incident with his horse, Bonnie Blue, occurs when she cracks and loses a wheel, putting her safety at risk. This mishap leaves Sir Kirby feeling responsible and guilty about Bonnie Blue's injury.