In the third season, Matthew Perry was losing significant weight because of substance abuse issues. The show's costume designers tried to hide this by dressing him in baggy and oversize clothes. This is particularly noticeable in the first scene, when he is wearing such a baggy suit and overcoat he almost appears to be in a costume.
When Phoebe is upstairs talking to the loud man, the voice of the loud man is show producer Ira Ungerleider.
The first appearance of any of Joey's sisters.
This is the lengthiest episode title of the entire series.
The first episode that has Chandler's name in the title.