Molly Kidder

Meredith and Derek rediscover the morning-after side of their relationship; the chief learns the hospital has slipped in the national rankings.

The surgeons work as a team to free a boy from a hardening block of cement; Izzie helps Alex care for an ailing Rebecca; Meredith and Derek have one last chance at a positive result in their clinical trial.

Bailey arranges a domino kidney surgery involving all the residents and interns; Meredith is upset Derek didn't include her in the article on their clinical trial.

Meredith, Cristina, Izzie and Alex spend their first day as residents with their own interns, including George, repeating his internship after failing his exams, and Meredith's half-sister. Cristina searches for Burke, who is nowhere to be found and Richard resumes his position as chief of surgery.

Tension arises between Derek and Meredith's mother; Cristina is mesmerized by the lifestyle of working in the dermatology wing.

The new interns are dazzled by the skill level of fellow intern George, while Lexie helps keep his "repeater" status a secret; Meredith half-heartedly helps Lexie with her first emergency patient.