The Understudy Season 6, Episode 24

Ruby

...tell knock-knock joke.

Elaine

The Korean women were talking about me. I think they were calling me a dog.

Jerry

How would you know? You don't speak Korean.

Elaine

Because this woman came in with a dog and Ruby called the dog the same word they used when they were pointing at me...ge ge ge

Kramer

You know, maybe in Korean 'dog' isn't an insult. Could be like the word 'fox' to us. Oh, she's a DOG!