Apple TV just unveiled the trailer for Silo season 3, which premieres next month, and it reveals the split-timeline plot that’s coming. New Silo trailer offers glimpse at split-timeline plot in season 3 Before Severance and Pluribus became Apple’s two biggest sci-fi hits, Silo was arguably the streamer’s first mainstream sci-fi breakout. Now two seasons in, Silo’s highly anticipated third season is almost here. Silo season 3 premieres Friday, July 3  with one episode, followed by weekly releases through September 4. As seen in today’s new trailer, the season will follow two distinct timelines: one focused on Juliette in the present day, and the other exploring the origins of the silos in the past. Here’s Apple’s season 3 summary, followed by the new trailer : Season three of “Silo” continues the saga of a dystopian society of 10,000 people living underground under mysterious circumstances, while revealing an origin story set centuries earlier.…