Season 1 of Castle Einstein premiered on September 4, 1998.

Season 2 of Castle Einstein premiered on February 25, 2000.

Season 3 of Castle Einstein premiered on December 1, 2000.

Season 4 of Castle Einstein premiered on December 1, 2001.

Season 5 of Castle Einstein premiered on July 13, 2002.

Season 6 of Castle Einstein premiered on February 22, 2003.

Season 7 of Castle Einstein premiered on November 29, 2003.

Season 8 of Castle Einstein premiered on February 19, 2005.

Season 9 of Castle Einstein premiered on April 1, 2006.

Season 10 of Castle Einstein premiered on December 9, 2006.

Season 11 of Castle Einstein premiered on January 5, 2008.

Season 12 of Castle Einstein premiered on January 3, 2009.

Season 13 of Castle Einstein premiered on January 2, 2010.

Season 14 of Castle Einstein premiered on January 8, 2011.

Season 15 of Castle Einstein premiered on January 7, 2012.

Season 16 of Castle Einstein premiered on January 5, 2013.

Season 17 of Castle Einstein premiered on January 4, 2014.

Season 18 of Castle Einstein premiered on January 3, 2015.

Season 19 of Castle Einstein premiered on February 9, 2016.

Season 20 of Castle Einstein premiered on February 14, 2017.

Season 21 of Castle Einstein premiered on February 21, 2018.

Season 22 of Castle Einstein premiered on April 1, 2019.

Season 23 of Castle Einstein premiered on March 13, 2020.

Season 24 of Castle Einstein premiered on April 19, 2021.

Right at the start of the school year, the Einsteiners' timetable is completely turned upside down by a new teaching module. But why is not everyone allowed to participate, and what is this about a new teacher?

Season 25 of Castle Einstein premiered on February 11, 2022.

Season 26 of Castle Einstein premiered on March 27, 2023.

Season 27 of Castle Einstein premiered on March 11, 2024.