Hoppy finds a wounded girl and later finds Judge Morton who claims the girl is his daughter and he is looking for her. But Hoppy soon learns the girl is looking for stolen gold she wants to return and the Judge in not her father but only wants the gold. Hoppy and the girl find the gold but the Judge and his men find Hoppy and the boys and trap them in a cabin.
Unfortunately the movie The Devil's Playground is not yet available on HBO Max.
| Directing | George Archainbaud | Director |
| Production | Lewis J. Rachmil | Producer |
| Art | George Mitchell | Set Decoration |
| Crew | Mack Stengler | Cinematography |
| Sound | David Chudnow | Music |
| Art | Harvey T. Gillett | Art Direction |
| Costume & Make-Up | Earl Moser | Costume Designer |
| Writing | Ted Wilson | Screenplay |
| Writing | Clarence E. Mulford | Characters |