Watch Glastonbury Isle of Light: Journey of the Grail (2018) online

A sweeping epic following the legends of Glastonbury and how the Holy Grail came to Britain in the first century. Joseph of Arimathea escapes peril in Jerusalem with the holy chalice only to find himself on the other side of the globe facing a more extreme enemy. Upon arrival in Britain, which is on the edge of war with Rome, he implores the help of the warrior-prince Caractacus in an effort to defend their sacred customs and ancient ways