|The Secret of Baritsu|
(Baritsu no Himitsu)
|Airdate||October 28, 2010|
|Previous Episode||Terror in the Coffin|
|Next Episode||A Case of the Missing Kamaboko|
The Secret of Baritsu is the fourth episode of the first season of Tantei Opera Milky Holmes.
Milky Holmes and G4 are informed about a girl named Irene Doala who went missing in the Yokohama woods. While searching for her, Sherlock and Kokoro become separated from their respective groups, winding up in a cave along with Irene. Irene explains she got lost while finding a treasure chest so she can stop her father's company from going bankrupt. When a bear attacks them on their journey back, Sherlock makes several failed attempts to rescue them only be coincidentally saved by an unexploded bomb. They are later found by G4 and returned home.