Highlander: The Animated Series S02 E18 Isle of Grans

"THERE CAN ONLY BE ONE!"

The trio is captured by a tribe of wild Grans, the ape-dog hybrids that Clyde's pet Gaul belongs to. The tribe's eccentric human pet O'Kief informs them that Gaul must fight the tribe's champion for their freedom. Arak attacks as well.