An episode of the children's series about a little Mole. This story tells how the little Mole became a great experimenter in the field of chemistry for a while.
| Directing | Zdeněk Miler | Director |
| Writing | Ivan Klíma | Story |
| Writing | Zdeněk Miler | Screenplay |
| Art | Zdeněk Miler | Graphic Designer |
| Camera | Zdena Hajdová | Director of Photography |
| Sound | Vadim Petrov | Music |
| Crew | Jindřich Vodička | Dramaturgy |
| Visual Effects | Věra Marešová | Animation |
| Visual Effects | Josef Hekrdla | Animation |
| Visual Effects | Jindřich Bárta | Animation |
| Visual Effects | Antonín Bureš | Animation |
| Visual Effects | Ota Kudrnáč | Animation |
| Visual Effects | Jana Frolíková | Animation |
| Visual Effects | Zdena Šmehlíková | Animation |
| Visual Effects | Ladislav Kouba | Animation |
| Editing | Marta Látalová | Editor |
| Sound | František Černý | Sound |
| Production | Jiří Šebestík | Production Manager |