The Hidden Third: Trailer Episode Summary
Host: Mariana van Zeller
Date: October 13, 2025

Episode Overview

This trailer introduces "The Hidden Third," a new weekly podcast exploring the shadowy world of underground markets and black and gray economies. Hosted by award-winning journalist Mariana van Zeller, the series promises in-depth conversations with insiders—from smugglers to law enforcement—offering unprecedented first-hand accounts of the global underground economy. The episode offers a taste of the stories and personalities listeners will encounter.

Key Discussion Points & Insights

1. Real-Life Underground Market Stories

• The trailer opens with a gritty firsthand account involving prison survival:
  • Knife smuggling in prison: “When I was there, you had to have a knife. One of you’s got to take turns carrying it up your rectum.” (A, 00:00)
    • The term “prison wallet” is used humorously: “Wait, it’s up your butt.” (B, 00:05) “That’s the prison wallet. You’ll never leave home.” (A, 00:06)
    • Safety is paramount: “You have something protected around it, I’m assuming.” (B, 00:08) “Yeah, or else you’ll be bleeding out your coolo.” (A, 00:10)

2. The Scope and Terminology of Underground Economies

• Mariana introduces the central premise of the show:
  • “There is an entire underground economy worth trillions of dollars. Economists even have a name for it. The Hidden Third. The estimated third of the global economy made up of black and gray markets. But who are the people working in the shadows?” (B/Mariana, 00:29)

3. Anecdotes Revealing the Everyday Nature of Crime

• Listeners hear quick snippets of jaw-dropping stories that illustrate the accessibility and pervasiveness of the underground economy:
  • On car theft: “Wait, you were stealing 20, 30 cars a week, and all of them just had keys inside the car? No way.” (B, 00:51)
    • “Definitely way. We went to a lot of different neighborhoods, and all of them had the keys.” (A, 00:56)

4. Mariana’s Mission & Experience

• Mariana highlights her background and the show’s intent:
  • “I’m Mariana Van Zeller, and after reporting on black markets around the world for my Emmy winning Nat Geo show Trafficked, I’m launching a podcast, The Hidden Third.” (B/Mariana, 01:01)
  • She teases more unconventional stories to come.

5. The Characters Behind the Underworld

• Banter continues, painting a vivid picture of the personalities involved:
  • Discussion about an unidentified object: “Go smaller than that. Come on now.” (C, 01:14)
  • Admiration for Mariana’s work: “Salud to the people who are doing it. Like Mariana. Like that. Golly. That’s a sword.” (C, 01:19–01:25)

Notable Quotes & Memorable Moments

• “When I was there, you had to have a knife. One of you’s got to take turns carrying it up your rectum.” (A, 00:00)
• “That’s the prison wallet. You’ll never leave home.” (A, 00:06)
• “There is an entire underground economy worth trillions of dollars. Economists even have a name for it. The Hidden Third.” (Mariana, 00:29)
• “Wait, you were stealing 20, 30 cars a week, and all of them just had keys inside the car? No way.” (B, 00:51)
• “Salud to the people who are doing it. Like Mariana. Like that. Golly. That’s a sword.” (C, 01:19–01:25)

Episode Timeline & Timestamps

• 00:00–00:10 — Gripping prison story about knife smuggling and “the prison wallet”
• 00:11–00:29 — Shocking anecdote: FBI raid, plus introduction to the scope of underground economics
• 00:30–01:01 — Mariana explains the “Hidden Third,” introduces herself and show’s purpose
• 01:02–01:19 — Candid discussion and lighthearted banter with guests
• 01:20–01:25 — Show of appreciation for Mariana’s investigative efforts and a slice of banter (“That’s a sword”)

Show Information & Where to Listen

• Premiere: Wednesday, October 15, 2025
• Availability: YouTube, Apple Podcasts, Spotify, and other major platforms
• Production: Co-production from Muck Media and The Roost Podcast Network

Conclusion

The trailer sets the tone for an unfiltered, insider-led, and investigative journey into the world’s hidden economies. Mariana van Zeller’s background and curiosity drive the series, which promises listeners riveting stories, candid conversations, and a deeper understanding of the black and gray markets influencing our world.