Finding Mrs. Claus Sunday at 9 p.m., Lifetime

You’ve got to love holiday TV movies. They’re unapologetically bad and schmaltzy, despite the fact that we live in rather cynical times. This one stars Mira Sorvino, who won an Oscar for “Mighty Aphrodite,” as the wife of the big man. She’s feeling neglected by Santa, who is played by Will Sasso, so she goes to Las Vegas to help a kid get her Christmas wish.