Border Security: Australia’s Front Line “Undeclared Danger” S15E19 June 25 2025 on National Geographic

On Wednesday June 25 2025, National Geographic broadcasts Border Security: Australia’s Front Line!

Undeclared Danger Season 15 Episode 19 Episode Summary

The upcoming episode of “Border Security: Australia’s Front Line,” titled “Undeclared Danger,” promises to deliver another gripping look at the challenges faced by border security agents in Australia. This episode will air on National Geographic and is sure to keep viewers on the edge of their seats.

In this episode, a man is found carrying extra passports. This raises immediate suspicions among the border agents, as carrying multiple passports can often indicate more than just a simple travel plan. The team will investigate the man’s intentions and delve into the potential risks associated with his actions. The tension builds as agents work to uncover the truth behind the extra documents.

Additionally, a shipment is flagged for hiding illicit goods. The border security team will work diligently to inspect the contents of this shipment, revealing the hidden dangers that could pose a threat to the country. The episode will showcase the meticulous process agents go through to ensure that illegal items do not make it past the border.

“Undeclared Danger” is set to highlight the importance of vigilance and thoroughness in border security. As agents confront these challenges, viewers will gain insight into the complex world of border control and the critical role it plays in keeping Australia safe. The episode is sure to be an eye-opening experience that underscores the ongoing fight against smuggling and illegal activities at the border.

What Time is the “Undeclared Danger” Episode On?

The Undeclared Danger episode of Border Security: Australia’s Front Line will be broadcast on June 25 2025 on National Geographic at 9:00 PM at ET/PT.

Is the “Undeclared Danger” Episode New?

The Undeclared Danger episode of Border Security: Australia’s Front Line is all new!

Border Security: Australia’s Front Line Undeclared Danger Cast & Stars

Main Cast

Undeclared Danger Episode Videos & Previews

Watch Border Security: Australia’s Front Line Undeclared Danger Online

Watch the show online

Border Security: Australia’s Front Line Series Information

Follow Australian Customs and Border Protection officers as they attempt to enforce the country's various quarantine, customs, immigration and finance laws.