[s20e8] Turkey Trot Now

In this Thanksgiving-themed episode, the team's holiday plans are interrupted by a crisis:

The investigation is personal for Agent Jessica Knight (Katrina Law). Her sister, Robin (Lilan Bowden), is in town for the holiday, and their tense relationship is further strained by the day's events. [S20E8] Turkey Trot

Kasie Hines (Diona Reasonover) joins Knight for Thanksgiving lunch at Robin's house, which becomes a focal point for character development amidst the high-stakes case. Key Cast & Guest Stars In this Thanksgiving-themed episode

If you were looking for the Grey's Anatomy episode from the same season/episode slot, it is titled : Robin (Lilan Bowden)