SpoilerTV Image Archive | Gallery | Castle | Season 7 | Promotional Episode Photos | Episode 7.10 - Bad Santa | 137421_6414

CASTLE - "Bad Santa" - When an ER physician is gunned down in the street, Castle and Beckett soon discover that the victim was a mob doctor to a Mafia family run by an old friend of Castle's. Also, against the backdrop of Christmas, Esposito and Lanie reach a defining moment in their relationship, on "Castle," MONDAY, DECEMBER 8 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/Nicole Wilder) STANA KATIC, JON HUERTAS, NATHAN FILLION

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