Janine mentions Anne Geddes as the artist who completed the portrait on the wall in her and Joey's apartment. Geddes is an Australian artist who creates stylized portraits of babies. The one featured in this episode is called "Waterlily".
Ralph Lauren himself makes his only appearance in the series and only has two lines of dialogue.
The Magna Doodle has a unicorn and two hearts.
This episode is dedicated to the memory of Gail Joseph.
When Ralph is in the elevator with Kim and Rachel he is looking directly at the camera.