: This is the most popular community-driven site specifically for Portuguese (Portugal) translations. You can search their database for Californication subtitles to find files specifically tagged for the "PT-PT" region rather than "PT-BR" (Brazilian).
: A massive global database where you can filter results by language. Be sure to select Portuguese (PT) from the language dropdown to avoid Brazilian variants.
: Frequent use of "tu" and the preposition "a" before infinitives (e.g., "estou a ver").