One of the best shows on TV, Breaking Bad (7, 9:30 and 11:30 p.m., AMC) begins the run-up to the much-anticipated finale on Sunday. In the first of the final eight episodes, Hank struggles with what to do next now that he's figured out that Walt is the meth lord he's been pursuing.We get a glimpse of what's going to happen closer to the end, and it's chilling. Friday on TV ...America's Next Top Model (7 p.m., CW/Ch. 30): The models work a vertical runway in pouring rain.The Great White Gauntlet (9 p.m., Discovery): People go diving for abalone in the midst of sharks. Really.Continuum (8 and 10 p.m., Syfy): Kiera is captured by Julian's followersMagic City (10 p.m., Starz): In the second-season finale, Klein considers Ike's offer regarding the Butcher.The White Queen (10:57 p.m., Starz): Premiere of this British import set during the medieval England during the War of the Roses. It gets off to a slow start, but if you're a fan of costume history drama you'll like it. Saturday on TV ...Golf (noon, CBS/Ch. 2): Third round of the PGA Championship.Clear History (7 and 10 p.m., HBO): Larry David stars in this very "Curb Your Enthusiasm"-ish movie that's not actually "Curb Your Enthusiasm."MLS (7:30 p.m., Ch. 30): Houston Dynamo at Real Salt LakeBeing Human (8 p.m., BBC America): Tom falls for a damsel in distress.Do No Harm (9 p.m., NBC/ Ch. 5): NBC burns off another episode of this canceled series. Something happens … that nobody cares about. Sunday on TV ...Golf (noon, CBS/Ch. 2): Final round of the PGA Championship.Big Brother (7 p.m., CBS/Ch. 2): Somebody's getting evicted.Secret Millionaire (7 p.m., ABC/Ch. 4): BDA CEO Jay Deutsch travels to Phoenix seeking individuals worthy of donations.Teen Choice 2013 (7 p.m., Fox/Ch. 13) Darren Criss and Lucy Hale co-host these goofy awards.Drop Dead Diva (7 and 11 p.m., Lifetime): Kim represents a housewife who claims that her online novel has been plagiarized.Unforgettable (8 p.m., CBS/Ch. 2): Carrie and Al investigate the murder of a businessman.Low Winter Sun (8:04 and 10:34 p.m., AMC): In this intriguing new series, two Detroit cops kill another police officer and then have to deal with the consequences.Devious Maids (8, 9 and 10 p.m., Lifetime): Rosie starts working at the Powell's house.Crossing Lines (9 p.m., NBC/Ch. 5): The team investigages a series of shootings in Italy and Slovenia.Food Network Star (10 p.m., Food Network): A winner is declared in the season finale.True Blood (10 p.m., HBO): Eric arrives at vamp camp.Dexter (10 p.m., Showtime): Dexter hunts down Hannah to figure out why she is Miami.Sister Wives (10 p.m., TLC): The builders putting the final touches on the new homes.The Newsroom (11 p.m., HBO): Will is distracted during a telecast.Jungle Gold (11 p.m., Discovery): In the second-season premiere, Utahns George Wright and Scott Lomu go back to Ghana to try to salvage their gold mining operation.Ray Donovan (11 p.m., Showtime): Ray flies to Boston to search for Sully.