Porky and Teabiscuit
Porky and Teabiscuit is a 1939 cartoon.
Porky is sent by his father with eleven dollars in hand to find something that will his father's farm. While on the way, he arrives at an auction and ends up spending the money on a horse named, "Teabiscuit". Teabiscuit turns out to be a sick, broken down horse, but Porky is able to shape him up so he can race, despite this Teabiscuit can not clearly think well. With help from a balloon pop however Porky is able to ensure a victory.