Castle (9 p.m. ABC/Ch. 4) engages in a bit of wish fulfillment tonight. The star of a reality show is murdered, and Castle and Beckett investigate.The fictional show in question here is titled "The Wives of Wall Street," and it's clearly a reference to the multitude of "Real Housewives" shows. And who hasn't wanted to see some of those ladies, um, retired?OK, I'm not suggesting anyone should die. Although it wouldn't bother me if we killed off a whole bunch of shows.Elsewhere on TV ...Westminster Kennel Club Dog Show (6 p.m., CNBC): The 137th annual eventHow I Met Your Mother (7 p.m., CBS/Ch. 2): Ted can't bring himself to break up with his crazy girlfriend.The Bachelor (7 p.m., ABC/Ch. 4): Sean and the remaining women travel to St. Croix.The Biggest Loser (7 p.m., NBC/Ch. 5): The contestants are tempted by treats.Bones (7 p.m., Fox/Ch. 13): Brennan is hospitalized after she's accidentally shot in the lab.The Carrie Diaries (7 p.m., CW/Ch. 30): Carrie is invited to a soiree in Manhattan.Being Human (7 and 10 p.m., Syfy): Kenny suspects that Aidan may be a vampire.Dallas (7 and 8 p.m.; 9 and 10 p.m., TNT): Someone confesses to the shooting; Cliff returns.Rules of Engagement (7:30 p.m., CBS/Ch. 2): Adam humiliates himself.Two Broke Girls (8 p.m., CBS/Ch. 2): Max lands tickets to a music awards show in Los Angeles. Because that happens to ALL the broke girls in New York.The Following (8 p.m., Fox/Ch. 13): Paul reveals Jacob's secret.90210 (8 p.m., CW/Ch. 30): Max and Naomi co-host a charity football game.Lost Girl (8 and 11 p.m., Syfy): Humans are dissolving into piles of goo.Mike & Molly (8:30 p.m., CBS/Ch. 2): Victoria agrees to be Harry's date for Valentine's Day.Hawaii Five-0 (9 p.m., CBS/Ch. 2): A lua master is murder.Castle (9 p.m., ABC/Ch. 4): A reality-show star is murdered.Deception (9 p.m., NBC/Ch. 5): Mia runs away with her boyfriend.Switched at Birth (9 and 11 p.m., ABC Family): Bay throws a party.Continuum (9 p.m. and midnight, Syfy): Kiera tries to protect her grandmother.Bunheads (10 p.m., ABC Family): Michelle and Milly battle for a new amphitheater.