'This Is Us' leaves us with a Christmas cliffhanger

This recap contains spoilers for This Is Us Season 1, episode 10, titled "The Last Christmas." To refresh your memory with where we left off, check out our recap of episode 9.
Tonight’s fall finale episode is titled “The Last Christmas,” and that could refer to more than one character — but we won't spoil all the lump in the throat moments for you. Let’s get right to the recap. 
Gut Punches and Hospital Visits
It’s Christmas Eve, 1970something and young K