- Original release
- Previous episode S04E26 - Medieval Upheaval
- Number S04E27
- Country United States
- Original language English
- Genres Action, Adventure, Animation, Children, Comedy, Family, Fantasy, Science-Fiction
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External links
TheTVDB page
IMDB page
TheMovieDB page -
Last update
19 novembre 2025 - 20:15
on 11 databases
Video : Speed of Sound
Team Tennyson participates in the inaugural ride of the Sonitrain, the fastest train in the world, but when the conductor turns out to be Lord Decibel, Ben must derail his master plan if he is to save his family and the passengers on board the runaway train.
Next episode
S04E28 - Xingo's World
