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On Blindspot Season 4 Episode 21, past secrets start to unravel, and Dominic begins to enact Madeline's cataclysmic scheme as the team rushes to stop him.
On Blindspot Season 4 Episode 20, Weller considers his priorities, Zapata and Reade navigate their living situation, and Patterson explores a budding interest.
On Blindspot Season 4 Episode 19, Jane supports Weller when someone dredges up painful memories, and Patterson and Rich contend with their hacker accomplice.
On Blindspot Season 4 Episode 18, Jane and Weller continue their search for the hooded figure, while Zapata goes rogue with someone from her past.
On Blindspot Season 4 Episode 16, as Jane attempts to find some assistance from a familiar enemy, the FBI ends up hot on the trail of Madeline.
On Blindspot Season 4 Episode 15, as the team rushes to keep a deadly weapon out of a terrorist's grasp, Jane must confront the events of her past.
On Blindspot Season 4 Episode 14, when a threat from an active bomber surfaces, the team is forced to delve into an important case from their past.
On Blindspot Season 4 Episode 13, the team is in a race in an attempt to stop Madeline's explosive scheme on "Though This be Madness, There is Method In't."
On Blindspot Season 4 Episode 12, trying everything they can to save Jane, Patterson and Rich head off to Peru and embark on a treasure hunt.
On Blindspot Season 4 Episode 11, the entire team ends up caught in the crosshairs of a deadly killer when an author forms an obsession for them.