If you are looking for the actual subtitle files for this specific episode, they are commonly available on major subtitle repositories:
Translating signs, documents, and digital displays seen in the episode. Alias subtitles English S04E09
A comprehensive database where you can filter by language and "Hearing Impaired" tags. If you are looking for the actual subtitle
Known for high-quality TV show subtitles, though they focus more on precise dialogue. Episode Context: "Pandora" Alias subtitles English S04E09
Clarifying complex plot points or character backstories relevant to the episode's events. Where to Find Subtitles for S04E09