Writer (creator), executive producer Marta Kauffman is the voice on the hypnosis tape that Rachel gives to Chandler to help him quit smoking.
The Magna-Doodle board hanging beside the door of Joey's apartment was introduced in this episode.
First appearances of the characters of Alice Knight (played by Debra Jo Rupp) and Pete Becker (played by Jon Favreau).
Giovanni Ribisi was 22 at the airing of this episode and Debra Jo Rupp was 46
In the time when Chandler was hypnotized, his face became more well-maintained than usual.