"Animal Kingdom" Season 4, Episode 6 ("Into the Black") focuses on escalating paranoia as Smurf, hiding a cancer diagnosis, forces J to find a police informant, while Deran murders Colby to protect Adrian from the DEA. The episode also features 1970s flashbacks to a tense commune robbery orchestrated by a young Smurf. For a full recap, visit TVLine . 'Animal Kingdom' Recap: Season 4, Episode 6 - TVLine