Brook introduces the Thousand Sunny's while Luffy searches for his straw hat. This was a special included in a limited edition DVD that was released in Nissan stores across Japan. The DVD also included the making of One Piece 3D: Straw Hat Chase.
Watch Nissan SERENA × One Piece: Sennyuu Sauzando Sanii-gou episode 1 online — subbed and dubbed, with automatic AniList / MyAnimeList progress sync.