After their first appearance on The Ed Sullivan Show, the Beatles were launched into worldwide stardom. Then, in late 1966, the band disappeared for months to record Sgt. Pepper's Lonely Hearts Club Band. With the Fab Four out of the spotlight, fans couldn't help but gossip. One odd rumor was that Paul McCartney had died and been replaced with a doppelganger. Even odder… there were clues to support it.

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