220 years after its "birth", 40 years after its theft, 22 years after its reappearance and 18 years after its second disappearance, two filmmakers follow the trail of the "unspeakable" Unspunnenstein.
Unfortunately the movie Le syndrome d'Unspunnen is not yet available on HBO Max.
| Directing | Samuel Chalard | Director |
| Writing | Samuel Chalard | Writer |
| Sound | Samuel Chalard | Sound |
| Production | Samuel Chalard | Producer |
| Directing | Robin Erard | Director |
| Writing | Robin Erard | Writer |
| Camera | Robin Erard | Director of Photography |
| Writing | Karine Sudan | Writer |
| Editing | Karine Sudan | Editor |
| Camera | Patrick Tresch | Director of Photography |
| Sound | Valentin Faivre | Music |
| Sound | Stéphane Mercier | Music |
