hd.thomson-multimediaThe Octonauts The Octonauts & the Mariana Trench Adventure (2010– ) watch online HD
- Original title:The Octonauts u0026 the Mariana Trench Adventure
- Category:TV Episode / Animation
- Released:2010–
- Actors:Ross Breen,Teresa Gallagher,Simon Greenall
- Duration:23min
- Video type:TV Episode
- Rating 6.7
- Votes 582
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Short summary
Tweak has designed a brand-new Deep Sea Station to study the deepest, darkest reaches of the ocean, but the Octonauts face multiple challenges: from getting it down there, to the extreme environment and strange, prehistoric creatures that greet them once they arrive.
| Episode credited cast: | |||
 | Ross Breen | - | Captain Barnacles (singing voice) |
 | Teresa Gallagher | - | Dashi (voice) |
| Simon Greenall | - | Captain Barnacles (voice) |
| Michael Murphy | - | Vegimals (voice) |
 | Paul Panting | - | Peso (voice) |
| Rob Rackstraw | - | Kwazii (voice) |
 | Keith Wickham | - | Professor Inkling / Shellington (voice) |
 | Jo Wyatt | - | Tweak (voice) |