Richie learns that he might survive if he receives a bone marrow transplant.

Greenlee worries that something is wrong when Joe decides to order more tests.

Kendall becomes noticeably jumpy when Aidan tries to comfort her.

Dre opens up to Colby when they find themselves alone together in the secret tunnels of the Chandler mansion.

JR asks Babe for another chance at their relationship.

Ryan feels he has a new lease on life after being released from the hospital.

Hannah comes apart at the seams and takes Josh hostage.

Hannah manages to escape as Zach breaks down the door to Josh's office.

Sean and a fleeing Hannah have sex together.

Zach faces off with Hannah but ends up feeling sorry for her.

Babe pulls back when Richie tries to kiss her.