Carla worries that she’s losing her Latin identity and fears that her daughter may never learn about her heritage. J.D. lands himself in hot water when the staff realizes that he uses nicknames because he doesn’t know anyone’s real name. Upon hearing this, the Janitor proposes a challenge — J.D. must identify everyone by name [...]

As J.D., Elliot and Turk end their first year as interns, they try to help an elderly man get an operation despite a lack of insurance, which draws the ire of Dr. Kelso in the season finale. Meanwhile, when Dr. Cox and his ex-wife Jordan’s relationship reaches a breaking point, she drops a bombshell on [...]

J.D. begins to think Dr. Cox may have feet of clay when his mentor seems unable to deal with his friend Ben’s potentially fatal illness. Meanwhile, Turk is upset at the news that he isn’t the best surgical intern on the team, but he’s even more frustrated when he finds out who is. Dr. Kelso [...]

J.D. sees the human side of his mentor when he has to deliver disturbing test results to Dr. Cox’ good friend and former brother-in-law, Ben Sullivan. Meanwhile, Elliot and Turk are both embarrassed by patient mix-ups.

When J.D. accidentally gets stuck with a needle that may have been infected with hepatitis, he starts to shy away from dealing with his sicker patients. Meanwhile, he and Elliot are forced to deal with four doctors who become ill while attending a local medical convention. Elsewhere, Turk pays a high price when he goes [...]

J.D. gets a lesson in competitiveness when he asks for Turk’s support in persuading his patient to opt for medical treatment over surgery, and Elliot develops a crush on one of her patients, but her own fumbling, insecurity and bad timing are compounded by their similar traits. Meanwhile, Dr. Kelso finds Dr. Cox’s Achilles heel [...]

While Elliott and Turk’s parents pay a visit to see them present at a medical conference, J.D.’s father Sam makes a surprise visit, leaving all three interns in a state of emotional distress as old parental behaviors come into play. Meanwhile, Carla gets the biggest shock of them all when she discovers she is exactly [...]

J.D. suffers from guilt-induced insomnia after Carla points out that he avoided a terminally ill patient because the man was a difficult pill. Meanwhile, Dr. Cox’ ex-wife Jordan interferes in his new relationship with medical student Kristin and Turk and Elliot obsess over evidence that Dr. Kelso might be concealing a musical past.

A gleeful J.D. can’t wait to get his hands on a goofy new medical student so that he can make his life as miserable as he was early on — but his harsh words have an unintended effect on the mistake-prone young man. Meanwhile, another medical student draws Dr. Cox’ appreciative eye and Elliot is [...]

When a rampaging Dr. Cox suddenly shows up at his door in a strange funk, J.D. sees a possibility of a breakthrough in their relationship — until he learns that Cox loses control in almost an annual rite. Meanwhile, Turk elects to partner with Elliot on a research project so that he can maneuver her [...]