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‘Seinfeld’ quiz: What is Kramer’s first name?

In this edition of “Who Knew,” TODAY’s Kathie Lee Gifford tests viewers’ knowledge of the popular TV series “Seinfeld” with the help of John Hurley, who played Mr. Peterman on the show.

In this edition of “Who Knew,” TODAY’s Kathie Lee Gifford tests viewers’ knowledge of the popular TV series “Seinfeld” with the help of John Hurley, who played Mr. Peterman on the show.