Calf Creek Arrow - An Oklahoma resident discovered an unusual bison skull while fossil hunting in a dry riverbed. Lodged in the bone was a handmade point, which the contributor believes dates back to the Calf Creek culture, around 3000 B.C. Could this be just another hoax or an incredible archeological discovery? HISTORY DETECTIVES learns more about this group of nomadic hunter-gatherers, while putting this handmade point through the extreme rigors of modern forensic testing.

Doc Holliday's Watch - Four years ago, a pawn store clerk in Tulsa, Oklahoma, met a customer with a pawned antique watch, engraved with a potentially historic inscription. Could this watch have been a gift from the fearless frontier lawman Wyatt Earp to the dentist, gambler and gunman "Doc" Holliday, perhaps in gratitude for his help fighting the Clanton outlaw gang at the OK Corral? HISTORY DETECTIVES uncovers the surprising facts behind this legendary gunfight and the real relationship between Wyatt Earp and Doc Holliday. 

Black Star Line Stock Certificates - A North Carolina woman recently found two Black Star Line stock certificates that had been purchased by her great grandfather in 1919. She didn't know the significance of the documents, but what looked like a Marcus Garvey signature on the papers saved them from the trashcan. Garvey founded the steamship company through his United Negro Improvement Association in 1919. Could this document be a rare artifact from Garvey's heyday? HISTORY DETECTIVES takes a closer look at this controversial and enigmatic figure who fought for economic self-reliance and political self-determination for African Americans.

(Repeats from Season 3)