Plot

So close to the wedding, Chandler suddenly realizes the overwhelming meaning of getting married. Meanwhile, Joey acts opposite a famous actor in a movie, but can't bring himself to tell him that he spits when he says his lines.

Joey unexpectedly gets a part in a movie about soldiers in World War I but his famous co-star Richard Crosby keeps spitting in his face for the sake of articulation. Ross makes everybody burst into laughter by threatening Chandler physically if he ever hurts his little sister. Chandler and Monica have their rehearsal dinner and after seeing his sexy celebrity mother and drag-queen dad, Chandler suddenly freaks out thinking about becoming "Mr. and Mrs Bing." He freaks out more when he hears the new answering machine message Monica recorded, so he writes a vague apology note and runs. Ross finds it and goes looking for Chandler while Phoebe and Rachel attempt to divert Monica, who is too wedding-high to notice soon anyway. Rachel and Phoebe find a positive pregnancy test in Monica's bathroom waste basket.—KGF Vissers

In the opening scene, after the others leave Central Perk for lunch with Monica and Ross's mother, Ross gives Chandler his "older brother" talk: if Chandler ever hurts Monica or ever causes her any unhappiness of any kind, Ross will hunt him down and beat him up. Chandler finds this funny and struggles to contain his laughter at this. When the girls find out what Ross said, even they cant stop laughing about it

Joey has started shooting a World War I movie with Richard Crosby (Gary Oldman) who keeps spitting at Joey's face while saying his lines which annoys Joey. Joey has to endure as Richard is a famous actor who was nominated for the Oscar 3 times. When he cannot stand it anymore, he talks to Richard about it, when Richard tells him that all good actors spit (They enunciate, and when they enunciate, they spit) while saying their lines. Therefore, when they shoot the next scene, Joey and Richard both constantly spit at each other while saying their lines. When their scenes are over for the day, Joey is given lines for scenes for the next day, which unfortunately conflicts with him performing Monica and Chandler's wedding that day.

Monica starts to prepare a list of all the things that can go wrong at the wedding. Monica reveals that she was kind of waiting for Chandler to freak out, but is glad that he didn't. Back at Monica's apartment, Chandler and Monica are going to their wedding rehearsal. Chandler listens to the answering machine after Monica leaves and begins to freak out when he realizes they are becoming "The Bings". At the rehearsal things are going smoothly until Chandler's parents come and things go crazy. When Chandler's mom, Nora Tyler-Bing (Morgan Fairchild) (who is scantily dressed), is introduced to Monica's parents Jack and Judy Geller, Jack embarrasses himself by mistaking her for Chandler's dad. Chandler's mom and Chandler's dad, Charles Bing (Kathleen Turner), keep having arguments, and Ross bemuses everyone else by talking about his "big brother" talk with Chandler.

After the dinner, Ross goes to Joey's apartment looking for Chandler who is staying the night since the groom cannot see the bride before the wedding, but finds an empty room and a note from Chandler. Ross immediately goes across the hall to Monica's apartment and shows Rachel and Phoebe the note Chandler left simply saying to tell Monica he is sorry. Understanding that Chandler has truly left and trying to figure out what to do, Ross goes out to search for Chandler while Rachel and Phoebe make sure Monica does not find out.

The next morning, Ross informs Rachel and Phoebe that he still has not found Chandler. Monica is so excited and thrilled about her wedding day that starts getting ready. Seeing this, Rachel starts to panic and begins to cry. Phoebe takes her to the bathroom to prevent Monica from seeing her in this state otherwise she will know something is wrong. When they are in there, Phoebe finds a positive pregnancy test in the garbage and deduces that Monica is pregnant.