Maddie is upset that she can’t be in Wisconsin for Christmas and to cheer her up, Liv plans an incredible surprise. Meanwhile, Joey participates in a Mr. North Pole Santa Claus pageant against an old foe and Parker tries to teach Ruby the wonders of a Snow Day.
- Dove Cameron as Liv and Maddie Rooney
- Joey Bragg as Joey Rooney
- Tenzing Norgay Trainor as Parker Rooney
- Kali Rocha as Karen Rooney
- Lauren Lindsey Donzis as Ruby
- Shelby Wulfert as Maddie 2
- Emmy Buckner as Liv 2
- Ryan McCartan as Diggie Smalls
- Kurt Long as Johnny Nimbus
- Josh Swickard as Todd Stetson
Joey: Santa says, "Ho Ho Ho! Let it go!"
- This is Diggie's first appearance in season 4.
- Pete Rooney, Gemma Nimbus, and Artie Smalls are mentioned.
- This episode is the last Christmas episode for the series. It's also the last episode to air in 2016.
- During the production of this episode, the cast learned they were nominated for two Teen Choice Awards and made a video thanking the fans and encouraging them to vote.
- This is Johnny's first appearance in season 4. It's revealed he moved to LA since marrying Gemma.
- This was the only episode to air in December 2016.
- This is one of few episodes where the production code doesn't match the airing number.
- Todd Stetson makes his first appearance in season 4.
- The alternate titles for this episode were White Christmas-A-Rooney and Christmas-A-Rooney
- It's revealed that Diggie is either claustrophobic and/or achluophobic.
- The message on the Rooney Roundup Holiday Newsletter says:
- Much holiday spirit from the Rooneys
- Everyone here in California is awesome
- Regular filming of Sing it Louder
- Remidies found for Joey's fleas
- You can bet Parker is loving Booms
- Can it get any better than this?
- Hanging out with the stars
- Raising a family in the sunshine
- Indeed we are singing carols
- Stay tuned for the New Year
- Taking out time every day
- Making a gingerbread house
- Asking Santa for many gifts
- Shaking the stockings for coal
- Diggie and Maddie kiss again
- A not very noticable goof is that when they show both Liv and Maddie you have to stay on your half of the screen, if you don't, you'll disapear. So Liv's purse accidentaly crossed over the line and the corner of it disapeared. Also when she hugs Johnny, her leg goes over the line.
| To view the Cali Christmas-A-Rooney gallery, click here.