UK TV · CBBC
Dennis and Gnasher Unleashed!: all seasons, episodes and where it airs in the UK
Quick answer · UK
Dennis and Gnasher Unleashed! is a UK children and animation series on CBBC, which ran from 2017 to 2021, with 2 seasons and 103 episodes.
Dennis and Gnasher Unleashed! has ended; its final episode aired on Wednesday, March 17, 2021.
Dennis and Gnasher Unleashed! seasons (2 seasons, 103 episodes)
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 51 | November 6, 2017 | December 18, 2018 |
| Season 2 | 52 | July 13, 2020 | March 17, 2021 |
Original UK air dates on CBBC.
Common questions
How many seasons of Dennis and Gnasher Unleashed! are there?
Dennis and Gnasher Unleashed! has 2 seasons and 103 episodes, first airing on Monday, November 6, 2017.
Has Dennis and Gnasher Unleashed! ended?
Dennis and Gnasher Unleashed! has ended; its final episode aired on Wednesday, March 17, 2021.
What channel is Dennis and Gnasher Unleashed! on in the UK?
Dennis and Gnasher Unleashed! aired on CBBC. Past episodes are often available on the broadcaster's own catch-up app.
Who stars in Dennis and Gnasher Unleashed!?
The main cast includes Freddie Fox, Rasmus Hardiker, Ryan Sampson, Kathryn Drysdale.
Source: TVmaze (CC BY-SA), retrieved October 7, 2026.