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Castle (2009) Season 4 Episode 15 - Pandora
In the first episode of a two-part “Castle” event, Castle and Beckett pursue a ruthless killer who, they discover, is part of a sinister, international conspiracy. Castle and Beckett are joined on the case by Sophia Conrad, a smart, sexy CIA operative who has a complicated past with Castle. Josh Stamberg, also guest stars as Martin Danberg, an intelligence officer.
Air Date: 13 Feb 2012