@avclub-d542a3419c3ad57206a96bcc86155ebc:disqus and @avclub-4517bac6eb076a5e9a5a4081a6a55273:disqus, you're both right. We see Nate having the dream, and then we see David waking up from the dream. That's in Ecotone, Season 5 Episode 9. Nate flatlining is what wakes David up. The implication is that they were both…