1. Hard NOx

9

. 26 January 2018. 75 min

Volkswagen's "clean diesel" cars seemed like a dream come true for carbon-conscious drivers -- until a fraud of staggering proportions came to light.

2. Payday

9

. 26 January 2018. 68 min

Behind the lavish lifestyle of race car driver Scott Tucker lay a secretive lending empire built on tribal perks and profits from poor customers.

3. Drug Short

6.5

. 26 January 2018. 67 min

When drugmaker Valeant began to grow at dizzying speeds, investors were thrilled. But a handful of skeptics realized something was very wrong.

4. Cartel Bank

7.5

. 26 January 2018. 51 min

A trail of suspicious transactions led to startling revelations about banking giant HSBC and its ties to Mexico's deadliest drug cartels.

5. The Maple Syrup Heist

5.8

. 26 January 2018. 50 min

An unusual heist that made headlines around the world highlights a bitter feud over one of Canada's most precious resources: maple syrup.

6. The Confidence Man

7.5

. 26 January 2018. 77 min

Donald Trump's image as a savvy businessman dazzled millions. But journalists and former associates describe an empire awash in drama and shady deals.