Warning: SPOILERS lie ahead for Outlander: Blood of My Blood episode 5!Some of the Outlander: Blood of My Bloodcast find their festivities at the Beltane festival becoming all the more complicated in episode 5. The Starz series serves as a prequel to the eponymous historical fantasy show, while simultaneously changing up key details from the Diana Gabaldon book series it's based on. It follows both the parents of Jamie in their early romantic days, and Claire's parents as they are sent back in time.