2010 | 13 Episodes

Season 0 of Octonauts premiered on December 13, 2010.

2010 | 50 Episodes

Season 1 of Octonauts premiered on October 4, 2010.

2012 | 22 Episodes

Season 2 of Octonauts premiered on November 19, 2012.

2013 | 20 Episodes

Season 3 of Octonauts premiered on September 4, 2013.

2015 | 24 Episodes

Season 4 of Octonauts premiered on September 22, 2015.

2020 | 27 Episodes

Season 5 of Octonauts premiered on December 28, 2020.

2021 | 26 Episodes

Season 6 of Octonauts premiered on January 1, 2021.

2021 | 26 Episodes

Season 7 of Octonauts premiered on June 1, 2021.

2023 | 26 Episodes

Season 8 of Octonauts premiered on January 1, 2023.

2024 | 26 Episodes

Season 9 of Octonauts premiered on January 1, 2024.

2025 | 26 Episodes

Season 10 of Octonauts premiered on May 29, 2025.