Alternative Service Certificates - A contributor in Aiken, South Carolina, owns a remarkable collection of wartime home front memorabilia, including a pair of mysterious $5 certificates titled "Brethren Service Committee." The certificates are dated 1943 and state that the contribution is intended as an "alternate service to war." Certain churches and religious groups granted "conscientious objector" status during wars in the 20th century - are these certificates evidence of one person's attempt to buy his way out of serving in World War II? HISTORY DETECTIVES heads to Pennsylvania and Maryland to gain a deeper understanding of religious and moral objection to military service.

Carolina Mystery Books - A South Carolina man has a beautiful eight-volume set of Edward Gibbon's History of the Decline and Fall of the Roman Empire that he acquired at a local library sale in Edgefield, South Carolina. The volumes are dated 1789 and are inscribed with the signature "John Calhoun." The contributor suspects the books belonged to John C. Calhoun, the 19th-century American political giant and intellectual architect of the Confederacy. Along with Daniel Webster of Massachusetts and Henry Clay of Kentucky, Calhoun was part of the Great Triumvirate of statesmen who set the terms of debate on the most challenging issues of their time, including banking, states' rights, westward expansion and slavery. HISTORY DETECTIVES heads to South Carolina to determine whether the books in question shaped the thinking of a politician who was nicknamed the "cast-iron man" for his staunch determination to defend the causes in which he believed.

Mickey Mouse's Origin (Repeat from Season 3) - Popular history has it that Mickey Mouse was born from a drawing sketched on a napkin by Walt Disney during a train ride from New York to Los Angeles in 1928. Mickey Mouse became the biggest fictional character moneymaker in the world, bringing in over $5.8 billion annually. A San Francisco toy collector, however, believes his small mouse figurine may turn the legend of Mickey on its ears. With a red label on its chest that reads "Micky" and a patent label on the bottom of one foot that says "Pat. Aug. 17, 1926," the figure appears to have been produced two years before Walt Disney created Mickey Mouse. HISTORY DETECTIVES traces the ancestry of America's most famous mouse and sheds light on some of the earliest bare-knuckle business fights in the toy industry.