Seinfeld is one of the most successful and iconic sitcoms in American television history. Even today, over 20 years since its finale, it remains one of the standards that all other TV comedies are compared to—and few ever live up to its legendary status.Though Seinfeld is undoubtedly a true piece of U.S. pop culture, there are still so many facts and hidden easter eggs that even the most eagle-eyed fans might have missed. Let’s take a look at some of the biggest secrets you never knew about this iconic show.