Barborka and Tomík vacation at their grandparents at the smithy beneath Dragon Rock, where the double-headed dragon Čmoudík (Smoky) is working hard.
Unfortunately the movie The Secret of the Two Headed Dragon is not yet available on HBO Max.
| Writing | Petr Šiška | Writer |
| Camera | Ján Ďuriš | Camera Operator |
| Directing | Dušan Rapoš | Director |
| Writing | Dušan Rapoš | Writer |
| Editing | Dušan Milko | Editor |
| Production | Petr Šiška | Producer |
| Art | Jaroslav Šutara | Set Designer |
| Writing | Dušan Rapoš | Book |
| Directing | Monika Kraupová | Assistant Director |
| Costume & Make-Up | Alena Schäferová | Costume Design |
| Sound | Bohumil Martinák | Sound |
| Crew | Jan Rudovský | Dramaturgy |
| Camera | Filip Brázdil | Aerial Camera |
| Directing | Lukáš Kaplan | First Assistant Director |
| Production | Dušan Rapoš | Producer |
| Writing | Petr Šiška | Book |
| Crew | Martin Mahdal | Dramaturgy |
| Camera | Antonín Nevrlý | Aerial Camera |
| Directing | David Beránek | Assistant Director |
| Crew | Miroslava Pjonteková | Script |
| Camera | Marek Urminský | Aerial Camera |
| Camera | Stanislav Doršic | Camera Operator |
| Camera | Jan Bartoň | Aerial Camera |
| Camera | Jan Bartoň | Camera Operator |
