The season finale reveals Sir Thomas Black's descent into madness as he begins his 2,000-year imprisonment in a Jehoiadan prison jar beneath the Mediterranean Sea. Though physically trapped, Black's mind fractures, causing him to adopt the voice and personality of the treacherous Zababa, whom he once allied with. In his cell, Black rages and plots, obsessively seeking revenge on those who betrayed him, including Douglas Dire, Agent Time, Agent Day, and Lamassu. The episode ends with a chilling warning: Black's escape is inevitable, and the consequences for Dire and others will be catastrophic.