In Season 7, Episode 2 of Outlander, Jamie's story to Claire introduces the intriguing mystery surrounding his ghostly appearance in the pilot episode. The heart murmur detected in Roger and Brianna's daughter, Mandy, reignites discussions about time travel and its potential implications. While Jamie and Claire's separation was necessary for the plot, it also serves as a reference to the unexplained detail from the pilot episode.

In this particular episode, Jamie experiences a dream that bears a striking resemblance to his ghostly appearance in the pilot. In the dream, he observes Claire, suggesting a possible connection that allows him to see her in her proper time, even though he is unable to time travel himself.

This mystery has long intrigued fans of the series and has remained unanswered until now.

The departure of Brianna, Roger, and their children serves as a poignant reminder that Jamie is unable to time travel. This adds a bittersweet sadness to their interactions, as they come to terms with the fact that they exist in different timelines. However, the eventual explanation of Jamie's ghostly presence holds the promise of hope regarding the interconnectedness of Jamie's family across these disparate timelines.

As the series progresses, viewers can look forward to unraveling the secrets surrounding Jamie's ghost and gaining a deeper understanding of the complex nature of time travel within the Outlander universe.