Conversation so far:
What is a theme in Seinfeld?
The series was often described as a show about nothing.
How did Seinfeld get the description saying it was a show about nothing?
Seinfeld in 2014 stated The show about nothing was just a joke in an episode many years later“
What else is notable about Seinfeld besides how the show was described?
Seinfeld broke several conventions of mainstream television.

Question: What conventions did they break?
Self-contained rewrite: What conventions did Seinfeld break?