Jesse (Jimmy Jax Pinchak), a nine-year-old boy, enters a toy company-sponsored contest in which entrants are asked for their greatest Christmas wish. Unbeknownst to his widowed mother, Sara (Gail O’Grady), he asks them to help his mom find a new husband. What follows is a whirlwind of interviews and dating, with cameras following her every move. “All I Want For Christmas,” a Hallmark Channel Original Movie premieres Saturday, December 1 (9/8c).