If you are looking specifically for the Portuguese version (likely the one aired on Canal Panda or RTP in the past), here is the verdict:
The 26-episode series ( Conan, o Rapaz do Futuro ) is a legendary masterpiece of animation. Directed by Hayao Miyazaki in 1978, it serves as the spiritual blueprint for many Studio Ghibli classics. 📺 Overview Episodes: 26 (Complete series) Director: Hayao Miyazaki Genre: Post-Apocalyptic, Adventure, Sci-Fi conan+o+rapaz+do+futuro+portugues+26+episod+full