The Octonauts

The Octonauts and the Coelacanth (Season 4, Episode 20)

TV-Y

TV Episode | Animation, Adventure, Comedy

While exploring a dark and spooky cave, the Octonauts discover the fossil of a powerful, prehistoric fish - but it may be more than just a fossil.

Writers

Kevin Burke | Vicki Wong (based on the books by) | Chris Wyatt (written by - as Chris 'Doc' Wyatt)

Editor

Edit Released

Release date

Nov 19, 2016 (United States)

Awards

Series awards

Contacts

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Cast	+ Add Cast
9 cast members

Name	Known for
Ross Breen Captain Barnacles (singing voice) Captain Barnacles (singing voice) See fewer	The Octonauts (2010)
Teresa Gallagher Dashi (voice) Dashi (voice) See fewer	The Amazing World of Gumball (2011)
Simon Greenall Captain Barnacles (voice) Captain Barnacles (voice) See fewer	Alan Partridge (2013)
Mary Murphy Dashi Dashi See fewer	The Octonauts (2010)
Michael Murphy Vegimals (voice) Vegimals (voice) See fewer	The Octonauts (2010)
Paul Panting Peso (voice) Peso (voice) See fewer	EastEnders (1985)
Rob Rackstraw Kwazii (voice) Kwazii (voice) See fewer	Harry Potter and the Deathly Hallows: Part I (2010)
Keith Wickham Professor Inkling / Shellington (voice) Professor Inkling / Shellington (voice) See fewer	Privateer 2: The Darkening (1996)
Jo Wyatt Tweak (voice) Tweak (voice) See fewer	The Witcher 3: Wild Hunt (2015)