Rachel joins Nick's mother to tell her that she turned down his marriage proposal because she knows his mom does not approve due to her immigrant background.

Chris is obviously uncomfortable at the party until he finds another African American man in attendance. When he greets him, he is taken aback by the unconventional greeting he receives.

Dijonay is faced with the stereotype of studying and maintaining good grades while swaping places with an Asian friend.

Ross tells Rachel and Phoebe that he has "Unagi" (the ability to predict danger), but the girls insist that Unagi is a type of sushi.

Nathan fails to introduce himself, which is considered rude. Katsumoto shows Nathan how to greet others in Japan.