Hallmark Channel launches an all-new season of Petkeeping with Marc Morrone on January 3 at 12p as the series makes its exclusive cable debut on the network. Morrone, who is Martha Stewart's pet advice guy, dispenses his knowledge to viewers about taking care of all sorts of pets in each half-hour episode. He is a pet expert with many books of advice to his name. The daily series is executive produced by Martha Stewart. Tune in.