Everyone knows that petroleum comes out of the earth, but the question is how did it get there, and what is it made of? The answer to these questions are given simply and accurately in this animated programme.
| Directing | Anson Dyer | Director |
| Directing | Len Kirley | Director |
| Production | Allan Crick | Producer |
| Production | John Halas | Producer |
| Editing | Jack King | Editor |
| Sound | Jack King | Sound |
| Sound | Jack King | Sound Effects |