Season 0 of Detective Opera Milky Holmes premiered on August 25, 2011.

Season 1 of Detective Opera Milky Holmes premiered on October 7, 2010.

Season 2 of Detective Opera Milky Holmes premiered on January 5, 2012.

Season 3 of Detective Opera Milky Holmes premiered on July 13, 2013.

Season 4 of Detective Opera Milky Holmes premiered on December 31, 2014.