Presidential Assassins: Explore the conspiracy theories surrounding assassinations of American presidents. Has the world been told the truth about their deaths? (S2, ep 10)

The Drug Wars: Documentary uncovering the conspiracies behind America's 40-year drugs campaign. Could laundered drugs money be keeping the fragile global economy afloat? (S2, ep 8)

Presidential Cover-Ups: Go behind the headlines and uncover the real stories behind the greatest White House scandals of recent times. (S2, ep 7)

Deadly Cults: A look at the strange allure of cults, their leaders and how they control their members. A Jonestown survivor remembers the last days of the Peoples Temple. (S2, ep 6)

The Mafia: According to the FBI, the American Mafia still has approximately 3,000 active members. Could the Mafia's influence extend beyond local police and politicians? (S2, ep 5)

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)

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)

Pumped Up: Rick and his brother head to a dusty desert scrap yard in search of beat-up antiques to fix and flog. Then, Rick takes a hefty restoration risk with a 1920's gas pump. (S2, ep 1)

Mike's Breakdown: Pickers Mike and Frank sort through three generations of clutter in Michigan, before heading over to Wisconsin where they find a wealth of quirky collectibles. (S2, ep 12)

The guys are in Kentucky, and they're driving Danielle crazy. Whenever she comes up with a new lead, they toss a coin to decide whether or not they'll go. (S2, ep 11)