The Playboy Mansion: Peek inside the Playboy Mansion and uncover the truth about its decadent parties. Who is its most notorious guest? And how hard is it to get an invite? (S1, ep 5)
The Gold Conspiracy: Experts investigate the secret methods used to control the value of gold and why the US government could be overstating how much of it the country owns. (S3, ep 4)
Serial Killers: Experts investigate the motives of notorious American murderers as they question how the US has produced a staggering 1,400 serial killers since the 1970s. (S2, ep 4)
Area 51: Unlock the secrets of one of the most covert military bases on American soil. What actually goes on at Area 51? And what is its link to the Roswell event of 1947? (S1, ep 4)
American Terrorists: A look at the secret measures employed by US authorities to hold back the thousands of terrorists thought to be operating on American soil. (S3, ep 3)
Pegasus On A Pedestal: A 1940s Mobil Pegasus sign presents the crew with a big challenge. Plus, the team meet a self-proclaimed picking nerd who is desperate for a job. (S6, ep 2)
Stolen Memories: An exacting client agrees to pay $9,500 to restore a 1959 coin operated Western Express amusement ride. Can Rick's work match his high expectations? (S5, ep 2)
Motor Mayhem: Rick takes on the tough task of overhauling a 1800s coffee grinder and tunes up a highly-collectible fishing boat motor from the 1930s. (S4, ep 2)
Pain In The Gas. Rick looks for a pair of 1920s visible gas pumps before taking a keen interest in a 1930s horse gambling wheel. (S3, ep2)
Knockout: Rick takes a risk in agreeing to restore a 1900's punch bag game. And, against a tight deadline, will a rusted-shut railroad strong-box get the better of his team? (S2, ep 2)