: Offers multiple seasons (including Season 10) with official PT-PT closed captions.

Most major streaming platforms provide built-in, high-quality subtitles for Portuguese viewers:

: One of the largest databases with a filter for "Portuguese (Portugal)". Podnapisi : Known for well-synced TV show subtitles.

: Lists NCIS - Investigação Naval with Portuguese support for the main series and its various spin-offs.

: A common choice for NCIS fans, though some users on Reddit have reported occasional sync issues with their subtitles. 📂 Subtitle Download Sites

If you'd like, I can help you find or episodes on a particular platform?

If you are looking for standalone .srt files for personal backups, these community-driven sites are frequently used for Portuguese subtitles:

💡 : When searching community sites, check the tag "PT-PT" to ensure the dialect matches your preference, as "PT-BR" (Brazilian Portuguese) is often more common on global repositories.