Brendan Michael Coughlin

The doctors form two teams to operate on conjoined twins; Bailey uses Meredith as a buffer between her and Ben; Alex learns a tough lesson; Teddy asks Cristina about Henry's surgery.

The Red Cell team must track down a suspect who is kidnapping young mothers. Meanwhile, Beth discovers why this particular case hits close to home for Mick.

House is bemused to encounter a patient with no memory, who mimics the personalities of everybody he meets. Foreman returns to the hospital to supervise the applicants, leading to a battle of wills between House and Cuddy.