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 “Lead with Your Heart” William Baldwin and Kari Matchett  © 2015 CROWN MEDIA UNITED STATES, LLC “Lead with Your Heart” William Baldwin and Kari Matchett © 2015 CROWN MEDIA UNITED STATES, LLC William Baldwin follows his heart in Hallmark Channel’s original movie world premiere of “Lead with Your Heart” on Saturday, Aug. 29 at 9 p.m. The film tells the story of a happily married couple facing life-changing decisions as they prepare for the next chapter of their marriage. This heartwarming romance movie also stars Kari Matchett, Steven Love and Amy Forsyth.

Guy Fieri sends superstar chefs racing down aisles in “Guy’s Grocery Games All-Stars,” premiering Sunday, Aug. 23 at 8 p.m. on the Food Network. Each of five summertime episodes features four culinary stars from Food Network and the Cooking Channel competing in a number of challenges as they navigate their way through the aisles of a grocery store with curveballs from games such as Fieri Food Pyramid and the feared Food Wheel. Each All-Star chef has to shop, prepare and plate three different dishes using only what they can grab from the aisle. Oneby one the losing All-Stars check out, determined by a rotating panel of judges.

Speculation, heartbreak and a pregnancy are all elements of ABC Family’s summer premiere of “Switched at Birth,” airing on Monday, Aug. 24 at 8 p.m. Bay is haunted by her breakup with Emmitt and Daphne’s excitement about her new relationship with Mingo is hampered by her friend’s opinion of him. John and Kathryn’s new accountant has bad news, Regina digs deeper into the story of Eric’s ex-wife, and everyone is shocked by the news that someone is pregnant.

An all-new season of the international hit “Wheeler Dealers” premieres Wednesday, Aug. 26 at 9 p.m. on Velocity. Mike Brewer and Edd China search the U.S. from coast to coast for the best cars to buy, restore, test and sell for a nice profit.