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
| To view the Cali Christmas-A-Rooney gallery, click here.