Season 1 of Terra X-History premiered on October 29, 2000.

Season 2 of Terra X-History premiered on January 7, 2001.

Season 3 of Terra X-History premiered on January 8, 2002.

Season 4 of Terra X-History premiered on February 2, 2003.

Season 5 of Terra X-History premiered on January 2, 2004.

Season 6 of Terra X-History premiered on January 1, 2005.

Season 7 of Terra X-History premiered on January 8, 2006.

Season 8 of Terra X-History premiered on January 1, 2007.

Season 9 of Terra X-History premiered on January 2, 2008.

Season 10 of Terra X-History premiered on January 5, 2009.

Season 11 of Terra X-History premiered on January 1, 2010.

Season 12 of Terra X-History premiered on January 2, 2011.

Season 13 of Terra X-History premiered on January 8, 2012.

Season 14 of Terra X-History premiered on January 13, 2013.

Season 15 of Terra X-History premiered on January 6, 2014.

Season 16 of Terra X-History premiered on January 4, 2015.

Season 17 of Terra X-History premiered on January 3, 2016.

Season 18 of Terra X-History premiered on January 8, 2017.

Season 19 of Terra X-History premiered on January 7, 2018.

Season 20 of Terra X-History premiered on January 6, 2019.

Season 21 of Terra X-History premiered on January 3, 2020.

Season 22 of Terra X-History premiered on January 3, 2021.

Season 23 of Terra X-History premiered on January 2, 2022.

Season 24 of Terra X-History premiered on January 1, 2023.

Season 25 of Terra X-History premiered on January 7, 2024.