Off the Wall: Livin' large on LI, really

Off the Wall finds TV fun close to home.

LOCAL ANGLE Long Island runs rampant in reality arrivals. "My Big Redneck Vacation" (Saturday night at 9:30, CMT) watches a Louisiana clan from Shreveport hit the Hamptons for some serious culture clash. "Fat Chef" (Thursday at 10 p.m., Food) has nutritionists and trainers trying to help overweight culinary pros, including the premiere's 500-pound Michael Mignano of Port Washington's Main Street Bakery.

BACK FOR MORE You know 'em, you love 'em. Or hate 'em. Round-headed Karl Pilkington is again at the mercy of travel orchestrators Ricky Gervais and Stephen Merchant on "An Idiot Abroad 2: The Bucket List" (Saturday night at 10, Science). Andrew Zimmern now finds eccentric eats closer to home in "Bizarre Foods America" (Monday at 10 p.m., Travel), starting with the Twin Cities. Mom and daughter go at it again for a second season of "Joan and Melissa: Joan Knows Best?" (Tuesday at 9 p.m., WE), following the 1-9 p.m. first-season marathon. Fresh idiocy at science.discovery.com/tv/an-idiot-abroad.

POP-CULTURE ICONS "American Masters" studies a tragic 1960s folk and protest figure in "Phil Ochs: There but for Fortune" (Sunday at 7:30 p.m., PBS/13). And "Star Wars" titan George Lucas joins Oprah Winfrey for a 90-minute chat on "Oprah's Next Chapter" (Sunday 9 p.m., OWN). Ochs preview at pbs.org/americanmasters.

UNSCRIPTED ADDITIONS Sports collectibles are the focus of "All Star Dealers" (Tuesday at 8 p.m., Discovery). A profiler joins a true-crime author in "Dark Minds" (Wednesday at 10 p.m., ID) to revisit unsolved homicides. The creators of "Deadliest Catch" now deliver "Bering Sea Gold" (Friday at 10 p.m., Discovery), about ocean prospectors working the frigid ocean. Check it out at dsc.discovery.com/tv/bering-sea-gold.

BYE-BYE Marg Helgenberger's Catherine Willows leaves "CSI: Crime Scene Investigation" (Wednesday at 10 p.m., CBS/2). And Zachary Levi's "Chuck" (Friday 8-10 p.m., NBC/4) leaves the airwaves for good.

FUNNY STUFF David Steinberg, who chatted up fellow stand-ups in "Sit Down Comedy," interviews silly stars in the new series "Inside Comedy" (Thursday at 11 p.m., Showtime). First up: Jerry Seinfeld and Don Rickles. Future guests include Chris Rock, Steve Carell and Jane Lynch. Video at sho.com /insidecomedy.

SAME NAME, NEW FACE Liam McIntyre takes over for the late Andy Whitfield in the title role of "Spartacus: Vengeance" (Friday at 10 p.m., Starz). Still on board: Lucy Lawless, Manu Bennett and Peter Mensah. All things "Spartacus" at starz.com/spartacus.