The Christmas Inversion

The Christmas Inversion was the third short story in Twelve Doctors of Christmas, featuring the Third Doctor.

Answering a distress call from 21st century London, the Doctor, Jo Grant and Captain Yates encounter a remarkable woman named Jackie Tyler, convinced that the Doctor has changed "again" and that Jo is her daughter Rose! As they survive malicious holiday decorations, attempt to assist the contemporary UNIT personnel and discover the Master's latest scheme gone awry, Jo wonders if her absence from the future Doctor's life is a ghost of her Christmas future...