Seasons & episodes

S1 · E25What Lies Above (1) 2012-06-09 · 22 min＋

The ThunderCats' search for the Tech Stone leads them high above Thundera to the floating bird city of Avista, where the stone is the power source for their city.

S1 · E26What Lies Above (2) 2012-06-16 · 22 min＋

In the season finale, Mumm-Ra's forces find the ThunderCats and the Tech Stone in Avista City. An incredible battle ensues for the stone as Lion-O finds himself betrayed by a trusted ally.