Christmas Countdown is a promotional video created by Nick.com. It was released on December 5, 2016.
Set to the tune of the 12 Days of Christmas, the carolers of the video count down 12 things involving the Loud Kids, and what they have to celebrate the season, including a clip from either the Christmas special, or a different episode.
12 Dates for Lori (Lori and Bobby about to kiss from Save the Date)
11 Leni Stylings (Leni wearing her tinsel outfit)
10 Luna Rock-outs (Luna trying to rock only to split her pants from Making the Case)
9 Pranks from Luan (Luan trapping her siblings in a giant gelatin from April Fools Rules)
8 Sports with Lynn (Lynn getting her roller skates for field hockey from Project Loud House)
7 Snacks for Lana (Lana demanding dog biscuits from Cereal Offender)
6 Lola Pageants (Lola posing for her interview to be crowned Miss Cute and Mean from Chore and Peace)
5 Lincoln Missions (Lincoln explaining Operation Scale the Fence, and Retrieve Big Red Before Mr. Grouse Finds It, and Takes It Into His House Forever, and Also Think of a Shorter Name For This Operation to Clyde)
4 Lucy Poems (Lucy reciting her poem "Ventilate" from Get the Message)
3 Lisa Theorems (Lisa disproving the existence of Santa)
A big chunk of Loud Family (The Loud's and McBride's singing That's What Christmas is All About)
The video ends with the Loud House wishing everyone a Merry Christmas.