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 | Robin Erard | Director |
| Camera | Robin Erard | Director of Photography |
| Writing | Samuel Chalard | Writer |
| Writing | Karine Sudan | Writer |
| Sound | Samuel Chalard | Sound |
| Camera | Patrick Tresch | Director of Photography |
| Writing | Robin Erard | Writer |
| Editing | Karine Sudan | Editor |
| Directing | Samuel Chalard | Director |
| Sound | Valentin Faivre | Music |
| Sound | Stéphane Mercier | Music |
| Production | Samuel Chalard | Producer |
