When does Outlander: Blood of My Blood return?

Outlander: Blood of My Blood is a prequel to the television adaptation of the novel series by Diana Gabaldon. The series follows the future parents of both protagonists from the original series, Jamie Fraser and Claire Beauchamp. Jamie's parents in 18th century Scotland are played by Harriet Slater as Ellen MacKenzie and Jamie Roy as Brian Fraser. Hermione Corfield as Julia Moriston and Jeremy Irvine play Claire's future mother.
Outlander: Blood of My Blood is a love story that tells the tales of how the parents of Jamie Fraser came together in 18th century Scotland. The parents of Claire Beauchamp met during World War I in England.