Wesley Leong

Al discovers he has to retake a driving test and finds Bud is his instructor from hell.

Enemies become friends and faith is tested -- Cheryl Hines guest stars -- Dr. Cox's (John McGinley) religious sister Paige (guest star Cheryl Hines, "Curb Your Enthusiasm") comes to town for her nephew's baptism and challenges her brother's faith. Meanwhile, Turk (Donald Faison) is finding out just how unsexy baby making can be. It takes a heart to heart with Elliot (Sarah Chalke) for him to realize that Carla (Judy Reyes) finds the whole process to be romantic. Elsewhere, J.D. (Zach Braff) and the Janitor (Neil Flynn) seem to have a budding friendship. Ken Jenkins also stars.

When Doug goes to Dr. Farber (Tim Matheson) for a root canal, he finds out Carrie used to have a major crush on the dentist.