
Show overview
Secrets of the Underworld has been publishing since 2021, and across the 5 years since has built a catalogue of 288 episodes, alongside 96 trailers or bonus episodes. That works out to roughly 180 hours of audio in total. Releases follow a weekly cadence, with the show now in its 15th season.
Episodes typically run thirty-five to sixty minutes — most land between 12 min and 55 min — with run-times ranging widely across the catalogue. It is catalogued as a EN-language True Crime show.
The show is actively publishing — the most recent episode landed 4 weeks ago, with 49 episodes already out so far this year. The busiest year was 2025, with 97 episodes published. Published by jay walkerden.
From the publisher
Neil (The Muscle) Cummins. A notorious Sydney hard man who spent 15 years on the doors of the cities most prestigious nightclubs, managing the streets for the Kings of the Cross and watching the backs of some of Sydney’s most famous and infamous underworld identities. Secrets of the Underworld is not for the faint at heart, an insightful and real look into the Sydney Underworld and the real Kings Cross between 1998 - 2013.