Kristen Ariza

When Thatcher returns to the hospital with a failed liver, Meredith must save his life; Izzie empathises with a tumour-riddled patient; annoyed with Cristina's competitive zeal, Mark tricks her into assisting on an unusual surgery.

The son of devout Jehovah's Witnesses is accused of killing his teacher after being caught fleeing the scene of her murder; the Democratic National Committee hires the team to investigate a second case.

Leslie and Ben both receive offers to run for governor of Indiana in 2025. But before they decide on which person will take the offer, Ben has one final surprise for Leslie.

The Parks gang completes one last task together, before saying goodbye to Pawnee.

The daughter of a federal judge is murdered and investigation is carried out at the girl's high school; the Lightman Group also investigate the case of a NASA test pilot accused of intentionally crashing aircraft of multimillion dollar value.

The BAU team head to rural Oklahoma as women are being found murdered and robbed of one of their five senses. Meanwhile, JJ and Prentiss get the cold shoulder from Reid.