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Episode 1.04 - "My Old Lady"

Scene: Opening - J.D. explains the rule of "one in three" (the song is later repeated after the second commercial break).
"Dracula From Houston" by the Butthole Surfers. Album: 'Weird Revolution' & 'Music from Scrubs' Official Soundtrack

Scene: J.D.'s patient, Mrs. Tanner, comforts him; the doctors experience the exception to 'the rule'; the scene ends with the gang enjoying time in the park.
"Hallelujah" performed by John Cale. Album: 'Fragments of a Rainy Season' & 'Music from Scrubs' Official Soundtrack