Tintin buys an old model ship at a flea market as a gift for Captain Haddock, who tells him about the exploits of a famous ancestor related to it. Then, Tintin learns that it is not an ordinary model ship.
Unfortunately the movie The Secret of the Unicorn is not yet available on HBO Max.
| Sound | Ray Parker | Music |
| Sound | Tom Szczesniak | Music |
| Production | Robert Réa | Producer |
| Directing | Stéphane Bernasconi | Director |
| Sound | Jim Morgan | Music |
| Writing | Christophe Poujol | Writer |
| Writing | Robert Réa | Writer |
| Writing | J.D. Smith | Writer |
| Writing | Hergé | Comic Book |
