501 - My Intern's Eyes
J.D. has a hard time adjusting to his new job as attending physician. Turk has doubts about becoming a father.

502 - My Rite of Passage
Elliot confides in Carla and J.D. learns that the interns only laugh at his bad jokes out of fear.

503 - My Day at the Races
Turk argues with a patient who wants to be hypnotized instead of anesthetized; J.D. ponders turning 30.

504 - My Jiggly Ball
J.D.is charged with the impossible task of introducing Dr. Kelso at an awards banquet and tries to find out more about him.

505 - My New God
Cheryl Hines guest stars as Dr. Cox's Born Again Christian sister. J.D. helps the Janitor move.

506 - My Missed Perception
Carla tries to organize the annual group photo; Turk and Elliot try to locate the source of a patient"s pain.

507 - My Way Home
In the 100th episode, the characters confront their fears as they take on personas from the Wizard of Oz.

508 - My Big Bird
J.D., Turk, Carla and Elliot are interrogated after a patient dies on their watch. Jason Bateman guest stars.

509 - My Half-Acre
J.D. tries to overcome his propensity for saying really inappropriate things on first dates. Mandy Moore guest stars.

510 - Her Story II
J.D. suddenly starts saying all his thoughts out loud, threatening his relationship with his new crush (guest star Mandy Moore).

511 - My Buddy's Booty
A favorite patient is in a coma and each staff member reacts to it differently. Turk suggests that Elliot and J.D. find "booty calls."

512 - My Cabbage
Elliot misplaces the written final statements of a deceased patient and the Janitor tries to keep a pet bird hidden.

513 - My Five Stages
Ted and the Janitor team up to give Dr. Kelso a taste of his own medicine; Dave Foley guest stars.

514 - My Own Personal Hell
Carla resorts to trickery to figure out if Turk is sterile. Dr. Cox is named 'The Best Doctor in The City.'

515 - My Extra Mile
After vowing to shave his head in support of a patient undergoing chemo, J.D. starts dating a woman who loves his hair.

516 - My Bright Idea
Turk and J.D. plan the ultimate surprise by hiding Carla's pregnancy from her, but the plan backfires.

517 - My Chopped Liver
Dr. Cox chaperones a date between Elliott and an intern. Carla covers for Dr. Kelso at work while he mourns his dead dog.

518 - My New Suit
J.D.'s slacker brother (Tom Cavanagh) is back in town. Carla and Turk discuss baby names.

519 - His Story III
The Janitor finds a way to keep J.D. out of the picture for the day; Dr. Cox and Turk accuse each other of not being hip.

520 - My Lunch
J.D. and Dr. Cox bump into an annoying former patient. Elliot and Carla find out some unexpected news.

521 - My Fallen Idol
Carla rallies around a depressed Dr. Cox after he makes a fatal mistake. Turk isn"t too fond of his new boss.

522 - My Déjà Vu, My Déjà Vu
Carla forces Turk to give up the same things she will give up while pregnant. Elliot clashes with Dr. Cox.

523 - My Urologist
Elizabeth Banks guest stars as the hospital's sexiest urologist -- and J.D. falls for her. Elliot considers breaking up with her boyfriend.

524 - My Transition
Elliot unsuccessfully plans a baby shower for Carla, and someone from the staff announces they are pregnant.