Not On My Watch: The guys agonise over a Rolex that once belonged to convicted fraudster Bernie Madoff. Plus, there's a 1950s bowling game that could be right up their alley. (S6, ep 7)

Evel Genius: The guys take a peek at 400 antique glass eyes, check out a battered Evel Knievel pinball machine and set their sights on a signed picture of baseballer Babe Ruth. (S6, ep 6)

Honor Thy Father: The guys inspect a document signed by Founding Father John Hancock, and a 1934 Rickenbacker guitar, one of the first electric guitars ever made. (S6, ep 13)

Peacemaker: The guys are wowed by a 1890s Colt .45 Peacemaker - the ultimate cowboy gun. A set of Elvis Presley's medical records offers a unique chance to see inside the King. (S6, ep 12)

Missile Attack: The guys lock on to a Cold War era heat-seeking missile guidance system, deliberate over a Playboy bunny uniform and check out a 1986 Buick Regal motor car. (S6, ep 11)

Necessary Roughness: The guys enter fierce negotiations over some top-secret wartime documents. Plus, Corey turns on the charm for a man selling a 1970s Stretch Serpent toy. (S6, ep 10)

Kings And McQueens: The guys race to check out a motorbike once owned by The Great Escape legend Steve McQueen. They also come across a rare shotgun disguised as a cane. (S6, ep 17)

Sharpe Shooters: The guys hit the road to check out a Gatling machine gun, hail down a fully-restored 1915 Ford Model T taxi, and lay their hands on the gun that helped win the Civil War.

Over The Top: The Pawn Stars enter fierce negotiations over a World War I helmet and a holster used in popular TV show Gunsmoke. Plus, Rick orders the guys to get into shape. (S6, ep 16)

Broadsiding Lincoln: The guys come across one of the most sought-after items in US history: a wanted poster for the stage actor who assassinated Abraham Lincoln in 1865. (S6, ep 15)