Some of my favorite Disney Christmas episodes/specials are: 

1. "Have Yourself a Goofy Little Christmas" (Goof Troop)

2. "Mickey's Christmas Carol" (1983)

3. "Winnie the Pooh and Christmas, Too" (The New Adventures of Winnie the Pooh) 

4. "Mickey and Minnie's Gift of the Magi" (Mickey's Once Upon a Christmas)

5. "It's A Wonderful Leaf" (Darkwing Duck)

6. "Last Christmas" (DuckTales 2017)

7. "Mickey's Nutcracker" (From the Disney's House of Mouse episode "Pete's Holiday Caper") 

8. "The Worst Holiday Ever" (The Weekenders)

9. "A Very Possible Christmas" (Kim Possible) 

10. "How Santa Stole Christmas" (DuckTales 2017)

11. "Yes, Mikey, Santa Does Shave" (Recess)

My favorite Disney Christmas Movies are: 

1. "Miracle on 34th Street" (It's on Disney Plus so, I'm counting it.) 

2. "The Muppet Christmas Carol"

3. "The Santa Clause"