If you need the information and not the audio , Italian media monitoring services (like "Adenzia" or "Eco della Stampa") provide paid transcription services. For a single episode, contacting Rai's archive (Teche Rai) is possible, though slow.
After download, check the bitrate. For spoken-word drama, 128 kbps MP3 is excellent; 64 kbps is acceptable but may lack clarity during soft dialogue or sound effects. Download Audio Linea Diretta 1