S4C

Octonots - Cyfres 3: Yr Octonots a'r Selacanth

Wrth nofio mewn ogof dywyll, daw'r Octonots ar draws ffosil o bysgodyn grymus o'r oes o'r blaen. While diving in a dark, spooky cave, the Octonauts discover the fossil of a preh...听

  • Duration11 mins
  • First shown9 Mar 2017
  • Available for 29 days
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