ThunderCats

The Rock Giant (1x43)

Air date: Nov 20, 1985

Mumm-Ra awakens the Rock Giant, an ancient monster made of stone which looked like a mountain to the TCats. When it wakes up, Mumm-Ra sends it to destroy Cats Lair. The TCats try and defeat it using the Thundertank, and eventually with the help of the Sword, the giant is beaten.