After the flying machines of "How Man Learned to Fly," this next popular science installment by Jiří Brdečka focuses on the history of submarines and deep sea exploration, denouncing the arms industry along the way, as the politics of the day required.
| Directing | Jiří Brdečka | Director |
| Directing | Ladislav Čapek | Director |
| Art | Michael Romberg | Art Designer |
| Art | Rudolf Holan | Art Designer |
| Writing | Jiří Brdečka | Writer |
| Sound | Jan F. Fischer | Music |
| Art | Kamil Lhoták | Art Designer |
| Art | Jaroslav Malák | Art Designer |