In the 12/5/14 edition of Entertainment Weekly, there's an article recommending great Christmas-related entertainment, including five great Xmas-themed TV episodes. As you can see above, Season 9's "Death Takes A Holiday" made the list!
One other thing worth mentioning: check the color-coded key EW provides to help you find what streaming services you can see these shows on. Which ones is M*A*S*H on? That's right, none of them. C'mon, Netflix, get with it!