CASTLE – “Reality Star Struck” – Castle & Beckett get an up-close-and-personal view of a “Real Housewives”-esque reality TV series, “The Wives of Wall Street,” when they investigate the murder of the show’s rising young star. Meanwhile, Castle’s attempt to give Beckett a Valentine’s Day gift goes horribly wrong, on “Castle,” MONDAY, FEBRUARY 11 (10:01-11:00 p.m., ET) on ABC. (ABC/RON TOM)