Porky the jockey is getting his prize entry ready for the big steeplechase, but an overambitious and ever-confident, somewhat bumbling nag, who needs an owner, is determined to convince Porky to ride him in the race. The pony flimflams Porky into buying him. After a steady series of spastic attempts to impress Porky, the nag bumbles his way into being Porky's entry when Porky's horse gets drunk.
- On Cartoon Network, Boomerang, Nickelodeon, and MeTV airings, a very brief glimpse of black stablehands leading horses out before the start of the races was cut.
- Rich Hogan's name is misspelled as "Rich Mogan" in the redrawn colorized version.
- This cartoon entered the Public Domain in 1969.
- MeTV+ aired a previously unreleased restored print of the cartoon on Sunday Night Cartoons; however, this restoration has an incorrect opening cue.