Octonauts and the Coelacanth The Octonauts : Season 4 Episode 20
TV-Y Tencent Video 11m
Aired: May 29th, 2017 @ 8:30 PM EST on Tencent Video
While exploring a dark and spooky cave, The Octonauts find a strange fossil of a powerful prehistoric fish... but it may be more than just a fossil!
