UK TV · CBeebies
Octonauts: all seasons, episodes and where it airs in the UK
Quick answer · UK
Octonauts is a UK action and adventure series on CBeebies, which ran from 2010 to 2023, with 5 seasons and 120 episodes.
Octonauts has ended; its final episode aired on Friday, March 31, 2023.
Octonauts seasons (5 seasons, 120 episodes)
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 50 | October 4, 2010 | February 11, 2011 |
| Season 2 | 22 | May 15, 2012 | September 3, 2013 |
| Season 3 | 20 | September 4, 2013 | June 29, 2014 |
| Season 4 | 23 | September 23, 2015 | October 27, 2017 |
| Season 5 | 5 | March 27, 2023 | March 31, 2023 |
Original UK air dates on CBeebies.
Common questions
How many seasons of Octonauts are there?
Octonauts has 5 seasons and 120 episodes, first airing on Monday, October 4, 2010.
Has Octonauts ended?
Octonauts has ended; its final episode aired on Friday, March 31, 2023.
What channel is Octonauts on in the UK?
Octonauts aired on CBeebies. Past episodes are often available on the broadcaster's own catch-up app.
Who stars in Octonauts?
The main cast includes Keith Wickham, Keith Wickham, Simon Greenall, Jo Wyatt.
Source: TVmaze (CC BY-SA), retrieved October 7, 2026.