Merry Christmas

"Merry Christmas" was a greeting traditionally used during the Christmas season. Alternatives included "happy Christmas" and "season's greetings".

On Christmas Eve 2007, Donna Noble wished "Merry Christmas" to the Tenth Doctor before he left Earth. (TV: The Runaway Bride)

The glass avatar version of Clara Oswald wished a "Merry Christmas" to the Twelfth Doctor when she manifested. (TV: Twice Upon a Time)

Both Sgt Catherine Petts and Major Richard Blake wished each other, and other UNIT officers, a Merry Christmas on a secure operations board on the UNIT website on Christmas Eve 2006. (PROSE: Guinevere One)