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Tortoise Investigates The Gas Man Episodes Available now
6. Devil's Breath
Is the 40-year cat-and-mouse game nearly over?
5. Truth Serum
What happened to The Gas Man when he arrived back in Germany as a fugitive?
4. The Other Gas Man
Chloe makes a startling discovery about another chemical trafficker.
3. The Escape
The team persuades The Gas Man to step out from the shadows.
2. The Sting
Special Agent Bass concocts a plan to reach the Gas Man.
1. The Special Agent
Special Agent Dennis Bass receives a tip-off that will change the course of his career.
Introducing... The Gas Man
In the late 1980s, Agent Bass is tipped off about a shipment of suspicious chemicals.
