Watch Thundercats S01E04 (Season 1 Episode 4)

Watch Thundercats S01E04

Song of the Petalars

While traveling through the woods, the ThunderCats come across a group of Petalars - small plant-like creatures whose lifespans are only one day. Lion-O befriends the young Emrick as he and the others try to figure out a way out of the woods and return the Petalars to their home. Meanwhile, Slithe and his lizard army are hot on the ThunderCats' tra... (more)il to eliminate them.. You can watch Thundercats S01E04 here.