Antiques Roadshow 18

Boise, Idaho (Hour One) (2014)

Part 1 of 3. Season 18 opens in Boise, Idaho. Items include a first edition of the Book of Mormon; a 1955 Madoura plate designed by Picasso; and an 1858 oil painting by Hudson River artist Sanford Robinson Gifford that's valued at $300,000.

Boise (Hour Two) (2014)

Part 2 of 3 in Boise, Idaho, features a mid-century pinup painting by Earl Moran; a set of "The Day the Earth Stood Still" lobby cards; and an a 1922 Edward Hopper etching titled "The Cat Boat" that's valued at $250,000. Also: law-enforcement collectibles are discussed during a visit to the Old Idaho State Penitentiary.

Boise (Hour Three) (2014)

Conclusion. In Boise, Idaho, items include an 1822 letter from Thomas Jefferson; a Babe Ruth Candy Club membership card; and a ruby-and-diamond necklace. Also: the work of artist James Castle is discussed during a visit to the Boise Art Museum.

Detroit (Hour One) (2014)

Part 1 of 3 in Detroit features a signed 1970 Andy Warhol poster; an early 20th-century collection of Pewabic pottery; and a working script of "The Wizard of Oz" used on set by Bert Lahr, who played the Cowardly Lion. Also: the Motown Museum is visited.

Detroit (Hour Two) (2014)

Part 2 of 3 in Motor City features Marvin Gaye's 1964 passport, which was found inside an album bought for 50 cents at an estate sale; a Petrus van Schendel oil painting, ca. 1860; and a signed photo album of President Abraham Lincoln and his cabinet and Senate. Also: a visit to the Ypsilanti Automotive Heritage Museum spotlights model cars made by Hudson Car Company.