The 20 Best Christmas TV Episodes, From "Friends" to "Bob's Burgers"

"The Constant" is the best episode of "Lost," and it happens to have a lot of Christmas in it. Desmond's consciousness is traveling through time, and unless he can make contact with his ex Penny, he'll die. It all ends in a Christmas phone call that always makes us cry, and Penny learns Desmond's alive and Desmond learns she never stopped looking for him.