Air date: 2011-01-03

Runtime: 60 min

Highlights include an archive of correspondence and photos, circa 1965, marking the friendship between a cigar-loving Winston Churchill and the guest’s Cuban great aunt and uncle; a stunning 1908 example of New Orleans’ Newcomb College pottery; and an heirloom collection of vintage diamond rings and a necklace, estimated to be worth $80,000 to $100,000.

Air date: 2011-01-10

Runtime: 60 min

Highlights include an archive of correspondence and photos, circa 1965, marking the friendship between a cigar-loving Winston Churchill and the guest’s Cuban great aunt and uncle; a stunning 1908 example of New Orleans’ Newcomb College pottery; and an heirloom collection of vintage diamond rings and a necklace, estimated to be worth $80,000 to $100,000.

Air date: 2011-01-17

Runtime: 60 min

Highlights include an archive of correspondence and photos, circa 1965, marking the friendship between a cigar-loving Winston Churchill and the guest’s Cuban great aunt and uncle; a stunning 1908 example of New Orleans’ Newcomb College pottery; and an heirloom collection of vintage diamond rings and a necklace, estimated to be worth $80,000 to $100,000.

Air date: 2011-01-24

Runtime: 60 min

Roadshow discusses the appeal of vintage Steiff animals at the San Diego Zoo.

Air date: 2011-01-31

Runtime: 60 min

Roadshow learns about 19th-century American naval cutlasses at the USS Midway Museum.

Air date: 2011-02-07

Runtime: 60 min

Roadshow glides into Allen Airways Flying Museum to look at early aviation posters.

Air date: 2011-02-14

Runtime: 60 min

Roadshow looks at sand art by Andrew Clemens at the State Historical Museum of Iowa.

Air date: 2011-02-21

Runtime: 60 min

Part 2 of 3 in Des Moines features a collection of late-1950s and ’60s Lucy M. Lewis Acoma Pueblo pottery; an 1820 Russian Loutkin snuff box inscribed with the Romanov dynasty’s imperial arms; and a 1623 Shakespeare First Folio that’s valued between $40,000 and $50,000. Also: an extra-illustrated book set based on a Charles Dickens biography is examined at Salisbury House and Gardens, the estate of 1920s cosmetics tycoon Carl Weeks.

Air date: 2011-02-28

Runtime: 60 min

Roadshow gets a lesson in honey farming in bee-autiful Des Moines, Iowa.

Air date: 2011-04-12

Runtime: 60 min

Part 1 of 3 in Billings, Mont., features a 19th-century Chinese jade brush washer; a 1752 English silver coursing trophy; and a 19th-century Arthur Brown watercolor scene of Yellowstone National Park that's valued at $75,000 to $125,000.

Air date: 2011-04-18

Runtime: 60 min

A 19th-century Japanese suit of armor; an 1874 oil painting by Swiss artist Luigi Rossi; circa-1825 Parisian gilt bronze serving tray.

Air date: 2011-04-25

Runtime: 60 min

ROADSHOW brings the paintings of Joseph Henry Sharp into focus at the Yellowstone Art Museum.

Air date: 2011-05-02

Runtime: 60 min

Part 1 of 3 in Biloxi, Miss., features a circa 1950 Walter Anderson linocut; an 1899 Buffalo Bill poster; and a 1928 bronze sculpture of Russian Ballet dancers that's valued at $100,000 to $150,000.

Air date: 2011-05-09

Runtime: 60 min

Part 2 of 3 in Biloxi, Miss., includes a 1943 National League autographed baseball; a circa 1770 sword that was used in the Revolutionary War; and a preserved 1811 silk-on-silk embroidery that's valued at $40,000 to $50,000. Also: vintage space toys.

Air date: 2011-05-16

Runtime: 60 min

Conclusion. In Biloxi, Miss., items include a suit worn by Olivia de Havilland in the 1943 movie "Princess O'Rourke"; a circa 1890 French industrial clock; and four 1827 watercolors by the Guilford Limner, a North Carolina-based artist.

Air date: 2011-05-23

Runtime: 60 min

Part 1 of 2 in Washington, D.C., features a 1958 letter from Martin Luther King Jr.; a circa 1965 Andy Warhol lithograph; and a turn-of-the-20th-century, hand-wrought Gorham silver tea set that's valued at $90,000. Also: the Harry S. Truman Building.

Air date: 2011-05-30

Runtime: 60 min

Air date: 2011-06-27

Runtime: 60 min