: Marcel is haunted by visions of Elijah and Klaus, who goad him to finally seize his revenge against the Mikaelson family for their centuries of betrayal.
: Reviewers from Telltale TV highlight this episode for its LGBTQ+ representation, as Keelin chooses to stay and help Freya despite being given the chance to flee. [S4E5] I Hear You Knocking
: The final scene reveals that Sofya is actively conspiring against the Mikaelsons, working with a witch named Dominic. : Marcel is haunted by visions of Elijah
The Hollow anchors itself to the living world by exploiting the darkest fears and past traumas of powerful supernatural beings. [S4E5] I Hear You Knocking