Dallas

Dallas is the third-largest city in Texas and the eighth-largest in the United States.

In the television series Quantum Leap, Sam Beckett finds himself transported to the year 1963 where he leaps into the body of Lee Harvey Oswald, the man who assassinated American president John F. Kennedy. Initially, Sam believed the purpose behind his leap was to prevent Kennedy's death, but ultimately he learned that his true mission was to prevent the assassination of Kennedy's wife, Jacqueline Bouvier Kennedy.