"A Matter of Honor"
Yes, Wesley, I'm sure all Benzites look alike to you!
The new crew members and a part of an exchange program, a Benzite, beam aboard.
Wesley: Mordock! You couldn't have graduated from the academy already!
Mendon: Mordock? I am Mendon.
Wesley: Oh, sorry, I though you were a friend of mine.
Mendon: We are from the same geostructure, naturally we all look alike.
Wesley: How do you tell each other apart?
Mendon: ... We just do.
Yes, Wesley, I'm sure all Benzites look alike to you!