Chase Kim

After Sadie and Ryan go on a road trip, it could signal the end of Ryan and Marissa's relationship.

Owen is faced with tough decisions as Seattle Grace spirals toward financial ruin; Jo and Alex try to save an infant's life; April turns to Jackson for dating advice.

The senior prom is in full swing, with Taylor on a high and Summer falling flat with her date.

The kids discover who has been accepted into college, and who hasn't.

Susan and Ian's relationship moves to the next level; Gabrielle has a new love interest; the residents of Wisteria Lane celebrate their annual block party.

Recounts the events of the first case on which Brennan and Booth worked together, and how other Jeffersonian team members' relationships began.