1. "Harry Potter and the Sorcerer's Stone"

Takes place during a Christmas holiday: For a bit

Setting is Christmas party: Hagrid bringing in the Christmas tree, Flitwick decorating it, Ron and Harry playing chess with the tree in the background, the actual present-opening on Christmas morning

Number of Christmas songs: 2 (one has lyrics, one is instrumental)

"Find a broomstick in your stocking,

Singing you the magic of this place.

Join the owls joyous flocking,

On this merry Christmas Day."

Party venue threatened: By Professor Quirrel

Broadcaster w/ hidden agenda: N/A

German ringleader: Lord Voldemort (French name, a British man, close enough, right?)

Government incompetence: The screening process before hiring professors is not thorough enough

Christ-like sacrifice: Ron sacrificing himself in Wizards' Chess

2. "Harry Potter and the Chamber of Secrets"

Takes place during a Christmas holiday: At one point

Setting is Christmas party: The decorated Great Hall

Number of Christmas songs: 0

Party venue threatened: By the Basilisk

Broadcaster w/ hidden agenda: Colin Creevey (KIDDING)

German ringleader: Tom Marvolo Riddle

Government incompetence: Letting kids go to school with a monster in the basement (monsters everywhere, actually)

Christ-like sacrifice: Hermione sacrificing herself in the name of science

3. "Harry Potter and the Goblet of Fire"

Takes place during a Christmas holiday: Yes

Setting is Christmas party: THE YULE BALL

Number of Christmas songs: All the music during the Yule Ball scenes.

Party venue threatened: By Barty Crouch Jr.

Broadcaster w/ hidden agenda: Rita Skeeter

German ringleader: He-Who-Must-Not-Be-Named

Government incompetence: The Triwizard Tournament definitely got out of hand

Christ-like sacrifice: Cedric giving Harry a clue about the golden egg ("You know the prefect's bathroom on the fourth floor? It's not a bad place for a bath.")

4. "Harry Potter and the Order of the Phoenix"

Takes place during a Christmas holiday: Lots actually

Setting is Christmas party: Celebration at the Burrow and some at Hogwarts as well (the room of requirement "wet" kiss between Harry and Cho Chang under the mistletoe)

Number of Christmas songs: 0

Party venue threatened: By Bellatrix Lestrange and other Death Eaters

Broadcaster w/ hidden agenda: N/A

German ringleader: The Dark Lord

Government incompetence: The Ministry of Magic is oblivious to the return of Voldemort

Christ-like sacrifice: Harry using magic outside of school to save Dudley (and himself) from Dementors

5. "Harry Potter and the Half-Blood Prince"

Takes place during a Christmas holiday: Definitely some

Setting is Christmas party: Slug Club Christmas party and time at the Burrow

Number of Christmas songs: 0

Party venue threatened: By Snape (kinda)

Broadcaster w/ hidden agenda: N/A

German ringleader: Tom Vorlost Riddle (Ist Lord Voldemort or "I am Lord Voldemort in German)

Government incompetence: There doesn't seem to be much security at Hogwarts...

Christ-like sacrifice: Dumbledore drinking the potion to get to the necklace

6. "Harry Potter and the Deathly Hallows" Part 1

Takes place during a Christmas holiday: For a short time

Setting is Christmas party: The graveyard scene

Number of Christmas songs: 0... the theme song makes me feel like a kid at Christmas though

Party venue threatened: Straight up by Voldemort

Broadcaster w/ hidden agenda: N/A

German ringleader: Lord Voldemort

Government incompetence: Well the Ministry of Magic is overtaken by Death Eaters so that's a problem

Christ-like sacrifice: Dobby breaking everyone (Harry, Hermione, Ron, Luna, Ollivander, and Griphook) out of confinement at the Malfoy Manor