LAST MAN STANDING - "Last Christmas Standing" - When Mike's grandson's deadbeat dad suddenly reappears, Mike struggles to keep his stress levels at bay and stay focused on holiday feelings of forgiveness and good will. Meanwhile, Ed hires Mandy as an elf at Outdoor Man, where she tries to unionize the other elves to get better perks, on "Last Man Standing," TUESDAY, DECEMBER 6 (8:00-8:30 p.m., ET) on the ABC Television Network. (ABC/PETER "HOPPER" STONE) MOLLY EPHRAIM