Dr. Cox makes Lucy his "Hell Week" leader; Turk feels threatened when an internationally renowned surgeon visits.

When a student cheats on an exam Dr. Cox takes it out on the whole class; Denise makes a surprising admission.

The med students must figure out why they want to be doctors; Elliot gives Denise relationship advice.

The reality of having a baby settles in for Elliot and J.D.; Lucy struggles with the reality of operating on people.

Lucy finds couplings throughout the hospital.

Turk tries to find a replacement best friend; Elliott offers some advice to exhausted Lucy.

J.D. seeks Turk's approval; Lucy tries to find the courage to perform a medical procedure; Drew and Denise make things... Full summary

While their wives are out of town, J.D. and Turk attend a med student's party; Kelso says goodbye to Ted and Gooch.

J.D. and Drew learn a tough lesson in mentoring when Dr. Cox and Lucy show them that the student is sometimes the... Full summary