2004 | 5 Episodes

Season 0 of Hitoshi Tadano, the Extraordinary Undercover Detective premiered on December 22, 2004.

2003 | 11 Episodes

Season 1 of Hitoshi Tadano, the Extraordinary Undercover Detective premiered on July 4, 2003.

2005 | 10 Episodes

Season 2 of Hitoshi Tadano, the Extraordinary Undercover Detective premiered on January 14, 2005.

2007 | 10 Episodes

Season 3 of Hitoshi Tadano, the Extraordinary Undercover Detective premiered on January 12, 2007.

2009 | 8 Episodes

Season 4 of Hitoshi Tadano, the Extraordinary Undercover Detective premiered on January 8, 2009.

2012 | 2 Episodes

Season 5 of Hitoshi Tadano, the Extraordinary Undercover Detective premiered on January 6, 2012.