In The Originals Season 4, Episode 6, " Bag of Cobras ," the Mikaelsons throw a party to unmask a servant of The Hollow, leading to a confrontation with a powerful warlock named Dominic, as reported in. Meanwhile, Hayley and Freya discover that The Hollow's followers murdered Hayley's parents, while the family realizes they must track down four ancestral bones to prevent the entity's resurrection. You can find this episode on platforms like Apple TV and IMDb . The Originals Season 4 Episode 6 Review: Bag of Cobras