Tuesday, October 11 at 8 p.m. — A black man in a Confederate uniform, Hollywood underpaying Native Americans, and an ornate stock certificate.

Tuesday, September 27 at 8 p.m. — A business card uncovers California underground secrets, a shotgun from a bloody gang massacre, and a Society Circus tied to FDR’s New Deal.

Tuesday, September 13 at 8 p.m. — A 1775 Almanac, a 1920s media exercise guru, and a “John F,” who may have smuggled Andy Warhol’s art to the moon.

Tuesday, August 23 at 8 p.m. — A 1960s poster, a vandalized carving of Andrew Jackson, and a Modoc Indian heroine.

Tuesday, July 19 at 8 p.m. — A propeller from a WWII drone, a wooden club that could be Teddy Roosevelt’s, and a Clara Barton letter.

Tuesday, July 12 at 8 p.m. — A Civil War soldier’s letter, signatures of Charles Lindbergh and helicopter inventor Igor Sikorsky, and a 1950s comic book called Negro Romance.

Tuesday, June 28 at 8 p.m. — A U.S. World War II propaganda leaflet, researching a family heirloom, and two soldiers from the Spanish Civil War.

Tuesday, June 21 at 8 p.m. — Mysterious airplane engine parts, metal shavings from a Civil War cannon, and a rodeo saddle that changed Hollywood movie-making.

Monday, August 23 at 9 p.m. — A 1940s Jackie Robinson All-Stars scorecard; a Toby Riddle basket; and a crime radio drama that may have been a true story.

Monday, July 5 at 9 p.m. — Investigate a clip the first talking picture, drawings of massive gold nuggets, and a piece of the transatlantic cable.