|#1||My Old Friend's New Friend|
Turk and Carla start to have issues when Carla tries to change everything about her new husband. Molly Clock, the hospital's new psychiatrist, becomes friends with Elliot because she believes Turk, J.D. and Carla are shutting her out. Also, when Turk and J.D.'s car blows up, Carla lets him pick out the new ride only to find that instead of a car, he buys three scooters for them, further proving Carla's point that she needs to always be in control. Guest-stars Heather Graham as Dr. Molly Clock and the Sugar Hill Gang as themselves.
J.D. and Elliot are both named the hospital's new chief residents by Dr. Cox, however, due to their recent relationship problems, they find it hard to work together. Meanwhile, Dr. Cox and Turk have great difficulty in the removal of a light bulb from a patient's posterior, although some assistance from the Janitor helps. Guest star Heather Graham as Dr. Molly Clock.
|#3||My New Game|
J.D. is annoyed at the janitor for spreading the word that he is the 'Co-chief' Resident and Elliot the Chief Resident. Dr. Cox and Jordan have relationship problems when they find out that their divorce was not final, which, while seeming like good news at first, quickly begins to cause friction between them. The other annoying woman in Dr. Cox's life, Dr. Molly Clock faces off with him over a plastic surgery patient who is upset that she is actually better looking since her reconstructive surgery.
|#4||My First Kill|
When J.D. asks Dr. Cox to give the residents a pep talk, Dr. Cox takes things a little too far by telling them that inevitably, they will eventually kill a patient or two, which causes J.D. to wonder whether he has ever specifically let someone die through his own incompetence and comes to the conclusion that he hasn't yet, though Dr. Cox is of the impression that it will happen eventually. Elsewhere, Elliot fights for an ex-drug addict patient to receive a heart valve, and becomes frustrated when Molly goes against her professionally about it.
Told from the perspective of Elliot: she starts to doubt Molly being the perfect mentor when she finds out her boyfriend is a convicted felon. Nevertheless, Dr. Cox helps her decide that personal lives should be kept separate from professional lives. Also Turk is constantly waking up Carla when he goes to bed; and J.D. has concerns that Dr. Cox may have ruined his credibility with the new residents.
J.D.'s brother Dan comes to visit with news their father has died. Dr. Cox has difficulty helping J.D. get out of his depression. Meanwhile, Turk has symptoms of diabetes but in his stubbornness refuses to admit it or visit a doctor as Carla wishes. Molly must employ some advanced psychology to force him to face the issue. Guest-stars Tom Cavanagh as Dan. J.D. and Dan's father, Sam Dorian, was played by John Ritter in the episode 'My Old Man'. The episode was dedicated to the memory of John Ritter, who died on September 11, 2003 from an aortic dissection.
|#7||My Common Enemy|
J.D. is forced to deal with the romance between Elliot and his brother Dan, who is still staying with them after the death of their father. Elsewhere, Dr. Cox and Dr. Kelso get fed-up with Molly's perception that everyone is good at heart and seek to prove her wrong. Guest-stars Tom Cavanagh as Dan.
|#8||My Last Chance|
Molly and J.D. are on the brink of sleeping together, but must first get the permission of Elliot, who can't help but play games with J.D. Meanwhile Dr. Cox has to fulfill community service hours by working in an ambulance with Denise Lemmon, a very annoying Paramedic. Guest-stars Molly Shannon as Denise Lemmon. Braff, who directed the episode, noted the challenge involved given the number of external locations and extensive stunts required.
|#9||My Malpractical Decision|
(Part 1) J.D. and Dr. Cox must deal with cunning malpractice attorney Neena Broderick as she attends to her father. Turk tries to avoid the hypochondriac Harvey Corman while Elliot steers her underachieving colleague Doug on a new career path. Guest-stars Julianna Margulies as Neena Broderick and Richard Kind as Harvey Corman.
|#10||My Female Trouble|
(Part 2) J.D. has a difficult time ending his impromptu relationship with Neena as she now represents Mr. Corman - who has decided to sue Turk, over allegations that the surgery Turk performed on him ruined his tennis serve - and asks Jordan for help. Elliot pretends to be a male doctor to avoid issues with a sexist patient who happens to be one of the hospital's board members. Guest-stars Julianna Margulies as Neena Broderick and Richard Kind as Harvey Corman.
In actor Matthew Perry's directorial debut, J.D. befriends the son of a noted singer who is unwilling to donate a kidney to his ailing father. Carla and Jordan, despite the warnings of Turk, teach Elliot to use her sexuality to her advantage, which causes catastrophe. Guest-stars John Bennett Perry as Gregory Marks, John Perry's real-life son Matthew Perry as Greg Marks' son Murray Marks and Masi Oka as Franklyn.
|#12||My Best Moment|
When J.D. has to address a group of pre-med students about what it's like to be a doctor, he strays off the beaten path and chooses to discuss his best moments as a doctor instead. When he challenges the rest of the staff to do so, they all reminisce about their fondest memories in the medical field. Meanwhile, Elliot is forced to face her fear of children when she is left in charge of a ten-year-old boy, whose father is being treated in the I.C.U. Elsewhere, Dr. Kelso gets a dose of Christmas spirit and stuns the staff with his change of heart.
|#13||My Ocardial Infarction|
When Elliot begins to emerge as the better doctor, J.D. is left struggling to catch up. Turk tries to make money from his diabetes until he discovers he must amputate a patient's foot due to diabetes and begins to take it more seriously. Elsewhere, the Janitor feels rejected by his secret crush Elliot when she runs off quickly from their 'coffee date.' Assuming his nice dress attire scared her off, he makes up a story that he was dressed to impress for his a Capella band practice which leads to Elliot requesting an impromptu performance.
|#14||My Lucky Charm|
A man involved in a bar fight teaches Turk and J.D. about living life to the fullest. Elliot and Carla find their friendship beginning to break down when they can't stick to their social plans. Also, Dr. Cox gets a vasectomy behind Jordan's back. Guest-stars Colin Farrell as Billy Callahan.
|#15||My Hypocritical Oath|
J.D. becomes attracted to a bartender named Kylie, then finds out her new boyfriend has an STD. However, he can't tell her because of patient/doctor confidentiality. Meanwhile, Dr. Cox anxiously awaits the Lakers/Heat game but must tape it to watch after his shift. His patience is tested when the Janitor threatens to reveal the final score. Guest stars Chrystee Pharris as Kylie.
During a date with Kylie, J.D. has to go to the hospital, and while there he casually remarks that a patient's symptoms resemble SARS, which means that the entire ICU staff - including Jordan's sister Danni on a surprise visit - is trapped in quarantine for the night. J.D. pays a homeless guy to fake a heart-attack so he can look more heroic in front of his Kylie. Guest starring Tara Reid as Danni and Chrystee Pharris as Kylie.
|#17||My Life in Four Cameras|
When Dr. Cox fumes at Dr. Kelso for firing another staff member due to budget cuts, Dr. Kelso challenges him to balance the budget without firing anyone. Meanwhile, a sitcom writer is admitted, and J.D. starts to fantasize about what it would be like if the hospital were a sitcom, complete with a live audience. Also, Turk and Carla have difficulty trying to keep the romance in their relationship going. Cameo appearance by Clay Aiken.
J.D. is having some trouble with Kylie. Turk and Carla ask J.D. to move out to give them space. However, his absence causes them to realize they're having problems with their relationship. Meanwhile, Dr. Cox believes his friend's child has autism. Guest Stars Michael Boatman (one of several Spin City alumni to appear on the show.)
|#19||My Best Laid Plans|
Molly returns to Sacred Heart, and J.D. blows off his girlfriend Kylie to go out with her. Carla tries not to make 'mountains out of molehills' when she realizes Turk is still in contact with an ex-girlfriend. The Janitor bets Dr. Cox that he can get a date with Elliot, the wager being his van against Dr. Cox's Porsche. Guest-stars Heather Graham as Dr. Molly Clock and Chrystee Pharris as Kylie.
|#20||My Boss's Free Haircut|
When Carla and Turk are experiencing marital difficulties, J.D. and Elliot do their part to try and cheer them up. Meanwhile, Dr. Cox challenges Dr. Kelso to lead by example and take on a few patients of his own after Kelso criticizes his bedside manner -- but he isn't aware that the Doctor-Patient relationship has changed.
|#21||My Lips Are Sealed|
J.D. and Carla get drunk while J.D. is trying to reconcile her and Turk and they accidentally kiss, and both agree to keep the incident secret from Turk. At the hospital, Elliot and Dr. Kelso struggle to maintain their professionalism when faced with a young patient who is suffering from complications after experimenting with erectile dysfunction pills. Meanwhile, Dr. Cox tries to find the balance between being an over-protective father while still trying to be the cool dad after his son falls off the jungle gym.
|#22||My Big Move|
Turk learns about the kiss between J.D. and Carla, and not knowing whom to blame gives them both the silent treatment until he knows who initiated it. Dr. Cox needs Elliot's help in reaching out to a teenage epileptic patient. Jordan gets Botox and renders her face temporarily frozen, which causes a problem when it threatens to keep her from attending Dr. Cox's teaching award acceptance. The Janitor gets unexpected reactions from his new uniform.
|#23||My Faith in Humanity|
J.D. is forced to confront human nature when a dying woman is brought to the hospital by her neighbor, Jake. Jake helps the patient realize it's time to die. Unfortunately, her brother decides to sue him for this. Elliot goes to Dr. Cox and Carla for romantic advice regarding Jake. Turk is having difficulty in couple's therapy. Guest-stars Josh Randall as Jake and Ellen Albertini Dow as Betty.
When Turk saves a man's life at the local taco stand, he tries to keep his ego in check as Dr. Cox takes all of the credit. To avoid ruining her new relationship with Jake, Elliot enlists J.D.'s help to prevent her dates from becoming too intimate. Meanwhile, Dr. Kelso terrorizes the hospital from the seat of his new motorized wheelchair until Janitor takes matters into his own hands. Guest-stars Josh Randall as Jake.
|#25||My Changing Ways|
J.D. prepares to start living life on his own, and strains his friendship with Turk. Elliot makes an effort to pursue a new career opportunity at another hospital in town, and this upsets Carla who thought Elliot was staying, despite the close proximity of the new job. Dr. Cox tries to prevent Jordan from accepting a job at the hospital. Guest-stars Josh Randall as Jake.
Scrubs Season 4 Episode Guide Content licensed under the GNU Free Documentation License.