Watch Star Trek: Discovery Season 0 Episode 3 Online. Best and Free Online streaming for Star Trek: Discovery TV Show. We picked the best sites to stream s00e03. Simply pick a site below and click "Watch Now!" button next to it. Some of the links may be broken, please upvote the working and good links so other users see those links for Star Trek: Discovery Season 0 Episode 3 s00e03 at the top of the list.