S3, E22: The wedding day finally arrives for Turk and Carla, but they soon discover that all the planning in the world could not prepare them for the day that lay ahead. Meanwhile, J.D. struggles to mend his relationship with Elliot - Scott Foley, Tara Reid, Freddy Rodriguez, and Christa Miller Lawrence Guest Star. -- The day of the wedding Turk (Donald Faison) picks up an extra shift at the hospital to get some extra time off for his honeymoon. Inevitably, what should be a very simple procedure turns into a life and death situation when Turk discovers complications with his patient and he gets stuck at the hospital. Meanwhile, a very stressed out Carla (Judy Reyes) tries to manage the situation at the church while her groom is missing, her brother Mark (guest star Freddy Rodriguez) continues to antagonize her, and her guests are becoming unnerving. After telling Elliot (Sarah Chalke) he is not in love with her, J.D. (Zach Braff) tries to put together the broken pieces of their friendship by getting Sean (guest star Scott Foley) back together with Elliot. John C. McGinley, Ken Jenkins, and Neil Flynn also star.