Friends - Season 10 Episode 12 The One with Phoebe's Wedding I'll be there for you.
Overview: Phoebe's wedding planner, Monica, makes everyone around her crazy--until Phoebe fires her. Phoebe's big day becomes disastrous as deliveries go awry and New York is hit with the worst snowstorm its seen in 20 years, forcing plans to change. As a substitute for Phoebe's incarcerated father, Joey takes his role much too seriously. Chandler and Ross discover at the rehearsal dinner that neither of them has a part in the wedding; however, Mike needs to replace a groomsman — he lets Phoebe choose one of them, but she gives the job to Rachel.