"The Eye of Apollo" will be streaming online for two weeks from February 7 to 21.

Season 1, Episode 5

Father Brown, Mrs. McCarthy, and other villagers attend a welcome ceremony for Church of Apollo members in the gardens of a Gothic manor in Kembleford. Dominique introduces their founder, who regales the crowd about the astral spirits. He pulls a vulnerable Susie from the crowd and asks her to greet the sun with them in the morning. The next day, Father Brown and Sid are alarmed to discover that Susie has left with the new group. And when a Church of Apollo devotee is mysteriously killed soon after, Father Brown fears that Susie is in grave danger.