The Season 10 premiere investigates the history of an electric guitar to determine if Bob Dylan played it at the 1965 Newport Folk Festival. Also: possible Beatle autographs from 1964 Miami Beach; a $5 thrift-store find that may have a Frank Zappa link.

Ventriloquist Dummy The Place: Brooklyn, New York Where did ""Sam"" the first black ventriloquist dummy, come from? Did he change the way Americans viewed race in the early 20th century? Home of Lincoln Assassination Plot? The Place: Greenwich Village, New York Did John Wilkes Booth, the infamous assassin of Abraham Lincoln, spend time in this woman's house planning the assassination? 34 Star Flag The Place: Staten Island, New York Did a 34-star Civil War-era flag in the possession of a New York historical society once save a boarding house from being burned down? Legend says it replaced a confederate flag hung at the height of Civil War hysteria.

Puzzles involve a film reel of 1920s stuntman Eddie Polo; scales used by Chinese immigrants in the early 20th century; and a shotgun that belonged to Nazi henchman Hermann Goering.

Items include a shotgun believed to have been used by a member of Al Capone's gang during the St. Valentine's Day Massacre; a threatening letter to President Andrew Jackson believed to have been written by John Wilkes Boothe's father; and an alarm which is thought to have been an alarm against grave robbers in a cemetery.

St.Valentine's Day Massacre: Family lore says their shotgun played a role in the Chicago St. Valentine's Day Massacre. G. Washington Miniature: Why is this miniature of Washington more than a piece of art? Stalag 17 Portrait: A portrait sketched in a WWII prison leads to a meeting 65 years later.

Whether two patches that feature a symbol of a bird dropping a bomb are from a World War II unit; if a neckpiece and leggings belonged to Chief Black Kettle, a Cheyenne leader; whether a President Lincoln-signed note is authentic. Also: A tattered piece of red fabric is linked to a pivotal moment in the U.S. Civil War.

Items look at include six paintings by Thelma Johnson Streat, which may have been mural studies commissioned by the WPA in the 1930s or '40s; a 1790 miniature color portrait of a "G. Washington" which was found stored above a Manhattan tavern in a box of documents; and a scrap of material believed to have come from a Japanese balloon bomb used during WWII.

A man from New Jersey claims to have the instrument panel from the Hindenburg in his possession, in which his family lore claims it came from the blimps 1937 crash site. Then, an 18th-century book titled "Trials of Patriots," may contain John Adams signature and an inscription to his son, Charles. And a search is on at 1520 Sedgwick Avenue in the Bronx to see, as legend has it, the origins of hip-hop music.

Arthur Szyk's Earliest Cartoons Professor Lowe's Hot Air Balloon Chemical Warfare Map

Puzzles involve an 1886 Coca-Cola trade card, a map connected to a Civil War battle and a billy club from a 1912 textile-factory strike in Lawrence, Mass. Included: a trip to Coca-Cola headquarters in Atlanta to try to verify the trade card info; digging up details pertaining to the 1863 siege of Vicksburg, Miss.; a journey to Lawrence to investigate the Bread and Roses strike.

Puzzles concerning items believed to have come from a WWII kamikaze attack; a badge that may have belonged to a British soldier in the Revolutionary War; and two New Jersey brothers who suspect that their uncle built the Spirit of St. Louis's Wright Whirlwind J-5C engine.

A square of fabric that may have been part of an NC-4 aircraft, which was the first to fly across the Atlantic; and an altimeter that might have been part of the XF-11 aircraft flown by Howard Hughes in 1946. Also: a piece of material that may have been part of a Civil War-era hot-air balloon designed for the U.S. Army.

A saddle that may have been owned by cowboy legend Bill Pickett; a flag that might have been draped over the casket of President William McKinley; and film cans that may contain archival footage of Nazi officials.

Hindenburg Artifact Was this device snatched from the burning wreckage of the ill-fated zeppelin? Bonus Army Stamp: Is this stamp connected to a moment when the U.S. Army advanced with fixed bayonets against fellow soldiers in the nation’s capital? Dempsey Fight Bell: Is this the bell that sat ringside at the world's first boxing superstar's legendary match?

GAR Photograph: How did two African Americans come to be part of this photograph of about 20 older white men in Reconstructionist-era America? Bill Pickett Saddle: Did this saddle ride into cowboy history with one of rodeo's most daring innovators? Hitler Films: Could these rusting film canisters contain unknown footage of one of the 20th century's most heinous murderers?

Items explored include a recording believed to be from the trial of Iva Toguri, better known Tokyo Rose, the Japanese American woman who made propaganda broadcasts for the Japanese during WWII; a possible photograph of the legendary Crazy Horse, the Lakota warrior. Also, a diary written by a pilot during WWII who perished in action is returned to his family.

Iwo Jima Map - What role did this map play in one of WWII’s fiercest battles? Copperhead Cane - How did this cane inspire a fiery political movement that threatened Lincoln’s presidency? Theremin - How did this strange instrument help spark a rock n’ roll revolution?

Rummaging through a box of shells and bullets at a Colorado gun show, a History Detectives fan discovered a World War I vintage cartridge with a curious etching: Leo V. Thompson, CO E 31st Inf., A.E.F. Siberia. Our contributor bought a spear, or pike, from an antique shop in Chagrin Falls, Ohio. He knows abolitionist John Brown lived near Chagrin Falls and wonders if rebels used this blade in John Brown’s famous raid at Harpers Ferry, VA. Have we found the original costume that launched Ronald McDonald? The label credits a well-known costume designer, and the costume looks similar to the suit we see in an early Ronald McDonald commercial: the yellow balloon coverall, red and white striped shirt and long stockings, and red oversized shoes.

The fifth season begins with a portable projection screen that may have been used by President Kennedy to view spy photos during the Cuban Missile Crisis. Also: an aluminum record that might contain an original recording of the “Amos 'n' Andy” program; and a painting that may have been an original portrait used in the women's suffrage movement.

A collector who may possess part of the first talking movie; a Cape Cod beachcomber's discovery of what may be a section of the first transatlantic cable. Also: the story behind sketches of five- and eight-pound gold nuggets.

A Honolulu flight mechanic's grandson believes he possesses a piece of Amelia Earhart's airplane but needs help identifying it. Next, the 1851 presidential commutation of a death sentence to life in prison in the case of See See Sah Mah, a Native American who was charged with murdering a a St. Louis trader. Lastly, a home in Colorado which is believed to have been built solely from railroad boxcars.

A camera may have been used to photograph President Truman; Civil War doll may have been used to smuggle medicine; a 15th-century map shows how Europe colonized Florida.

Japanese Balloon Bomb: Is this scrap of fabric evidence of a secret wartime attack on the United States' mainland? Society Circus Program: Why are some of New York's wealthiest planning a high society circus at the very depth of the Great Depression? Camp David Letter: Could a box found in a dumpster hold information about the founding of a top-secret Presidential retreat?

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Lost Gold Ship The Place: Alaska Environmentalist Gabriel Scott was working in the Copper River Delta near Cordova, Alaska, when he came across the wreckage of an old ship. According to locals, these are the remains of the SS Portland, the famous steamship that carried 68 miners and nearly two tons of gold from the Klondike River to Seattle harbor and began the great Klondike Gold Rush of 1897. The History Detectives team mixes maritime history and forensic science to reveal the dramatic story of the SS Portland and confirm that the remains are of this legendary ship. John Hunt Morgan Saddle The Place: Paris, Kentucky A Kentucky man owns a beautifully preserved, Western-style saddle, believed to have been used by Confederate General John Hunt Morgan on his audacious raid into Kentucky, Indiana and Ohio in July 1863. History Detective Wes Cowan has a surprising personal connection to the case - his great-grandfather was actually one of ""Morgan's Raiders"" and was captured alongsi