Season 0 of 鉄道捜査官 premiered on September 29, 2007.

Season 1 of 鉄道捜査官 premiered on September 9, 2000.

Season 2 of 鉄道捜査官 premiered on October 5, 2002.

Season 3 of 鉄道捜査官 premiered on September 27, 2003.

Season 4 of 鉄道捜査官 premiered on September 11, 2004.

Season 5 of 鉄道捜査官 premiered on June 4, 2005.

Season 6 of 鉄道捜査官 premiered on October 1, 2005.

Season 7 of 鉄道捜査官 premiered on May 13, 2006.

Season 8 of 鉄道捜査官 premiered on September 29, 2007.

Season 9 of 鉄道捜査官 premiered on October 11, 2008.

Season 10 of 鉄道捜査官 premiered on May 30, 2009.

Season 11 of 鉄道捜査官 premiered on April 10, 2010.

Season 12 of 鉄道捜査官 premiered on April 30, 2011.

Season 13 of 鉄道捜査官 premiered on May 5, 2012.

Season 14 of 鉄道捜査官 premiered on May 3, 2014.

Season 15 of 鉄道捜査官 premiered on April 4, 2015.

Season 16 of 鉄道捜査官 premiered on October 8, 2016.

Season 17 of 鉄道捜査官 premiered on June 11, 2017.

Season 18 of 鉄道捜査官 premiered on May 13, 2018.

Season 19 of 鉄道捜査官 premiered on August 2, 2021.