With all the channels on broadcast TV and cable and the inevitable episode repeats, it's hard to sort out what's new or worthwhile. Let us sort it out for you so you don't miss anything worth watching. Times may vary with region; check your local listings for exact hour and channels.
DC Cupcakes: Cupcake-making sister duo Katherine and Sophie agree to work on a special tattoo-themed cupcake display for the D.C. tattoo expo. 5 p.m. ET, TLC
Master Chef: Season two premieres with a new cast of culinary wannabes and the usual cast of rockstar judges—Gordon Ramsey, Joe Bastianach, and Graham Elliot. 8 p.m. ET, Fox
Cake Boss: Buddy creates a special rocket-shaped cake for NASA that mechanically "lifts off" as well as a special cake for his mother. 9 p.m. ET, TLC
Diners, Drive-ins, and Dives: Guy Fieri tours all things "Barbecued, Baked, and Brined" in Boise, Idaho; Cleveland Ohio; and a Memphis-style barbecue joint in Chicago. 8 p.m. ET, Food Network
Meat and Potatoes: Chef Rahm Fama hunts down the best-of-the-best "meats on the bone." He heads first to Hank's Steakhouse in Las Vegas, then to Soul Fire Barbecue in Boston, and makes his final stop is Michy's in Miami for James Beard Award-winning chef Michelle Bernstein's famous short ribs. 10 p.m. ET, Food Network
The Martha Stewart Show: Part of Martha's "Mmm! Week", Martha cooks up some savory marinara sauce and rustic Italian soups with "Mad Money" host Jim Cramer. Check your local listings, 10 a.m. ET.
Eat Street: A tour of food trucks in Los Angeles; Austin, Texas; and New York City. 8 p.m. ET, Cooking Channel.
United Tastes of America: Food enthusiast Jeffrey Saad investigates french fries in the form of chili-cheese, truffle-infused, and sweet potato. 10 p.m. ET, Cooking Channel
Man v. Food Nation: Adam Richman heads to Nashville to nosh on fried chicken, homestyle pancakes, and, ultimately, to take on the 72-ounce steak challenge at Roosters Texas-Style BBQ and Steakhouse. 9 pm. ET, Travel Channel
Bitchin' Kitchin: Nadia creates three dishes to impress a significant other: a little sweet with caramel fleur-de-sel French toast, fettuccine, and a piping-hot shepherd's pie. 10 p.m. ET, Cooking Channel.
Extra Virgin: Actress Debi Mazar and her Italian husband Gabriele Corcos whip up the traditional Tuscan three-meat lasagna (commonly known as Lasagna alla Bolgnese) and affogato, the espresso and ice cream drink. 10:30 p.m. ET, Cooking Channel
24-Hour Restaurant Battle: Modernist cuisines go head-to-head as two best friends from Miami test their molecular gastronomy concept against a father-daughter team's socially- and ecologically-conscious model. 10 p.m. ET, Food Network
The Originals with Emeril: Emeril continues his trek to America's most iconic eating establishments in the Big Apple, sampling the veal parmesan at Il Vagabondo, butterfly shrimp at King Yum, and mutton chops at Keen's Steakhouse. 10:30 p.m. ET, Cooking Channel
Unique Sweets: Who stole the cookie from the cookie jar? A oatmeal-peanut butter ice cream sandwich in New York and a snickerdoodle cookie pizza from Chicago are featured. 10:30 p.m. ET Cooking Channel