Сайнфелд Season 3 Episode 5

The library asks Jerry about a book he checked out in 1971 and never returned, so Jerry looks up an old girlfriend for his defense against a library cop. George thinks the homeless man he'd seen outside the library is a former high school gym teacher that he got fired. Kramer has his eye on a librarian. Elaine worries about her career when her boss hates the recommendations she made.