S3, E10: Lorelai is forced to miss the Stars Hollow Winter Carnival due to the unexpected arrival of Richard's haughty mother, the original Lorelai, otherwise known as Gran (recurring guest star MARION ROSS - "Happy Days"). Gran insists on having dinner with Richard and Emily at the inn and makes a surprise announcement. Meanwhile, Jess refuses to accompany Rory to the carnival--until he finds out that she might go with Dean.