Octonots - Cyfres 3: a'r Ymgyrch Gydweithio

Name: Octonots - Cyfres 3: a'r Ymgyrch Gydweithio
Description: Wedi i Cregynnog a Harri gael damwain, maen nhw'n cael help gan Lysywen Farus a physgodyn Grwper. Cregynnog and Harri crash their Gups and need some help from an eel and a group...

Wedi i Cregynnog a Harri gael damwain, maen nhw'n cael help gan Lysywen Farus a physgodyn Grwper. Cregynnog and Harri crash their Gups and need some help from an eel and a group...