Scrubs:

The eve of Carla and Turk's wedding gets off to a rocky start when Turk forgets to pick up Carla's brother Mark from the airport. The mounting pressure does nothing to help Turk as he finds himself at a loss for words while writing his own wedding vows.

Another relationship seems to be in trouble as well when JD realizes that he does not love Elliot and goes to Danni for advice on how to tell her. Meanwhile, Dr. Cox is going through fighting withdrawals when Jordan refuses to fight with him anymore and the hospital staff pays the price. At the wedding rehearsal, moved by Turk's improvised vows, JD finally admits to Elliot he doesn't love her.