Friends: Season 4, Episode 20

4 - 20: The One With All the Wedding Dresses

The gang are all excited by Ross and Emily's engagement - everyone except Rachel. A troubled Rachel proposes to Joshua, which freaks him out and threatens their new relationship. Monica is tasked with collecting Emily's dream wedding dress. Soon, she and Phoebe begin wearing wedding dresses and act out their dream weddings. Meanwhile, Chandler takes a reluctant Joey to a sleeping clinic when his snoring keeps him awake all night, every night. At the clinic, Chandler meets and goes on a date with Marjorie, a girl who screams in her sleep.