: Previous milestones in the series include Boyd discovering that the monsters can actually be killed—a major shift from just trying to hide from them.
In this season premiere, the retired angel Aziraphale and demon Crowley have their quiet lives disrupted when an unexpected visitor arrives at Aziraphale's bookshop. [S2E1] The Arrival
: Ben struggles with the psychological and physical lingering effects of the "siren song" he encountered previously. : Previous milestones in the series include Boyd