The ThunderCats accompany Panthro to Cloud Peak Mine to search for Thundrilium for the Thundertank. Along the way, Panthro and Grune's past is explored, from their first encounter to the reason behind Grune's betrayal.

Episode Viewers and Ratings

Season 1 Episode 5 of Thundercats resulted in a 0.00 rating in the 18-49 demographic.

Thundercats Season 1 Episodes...

• s01e01 - The Sword of Omens
• s01e02 - Ancient Spirits of Evil
• s01e03 - Ramlak Rising
• s01e04 - Song of the Petalars
• s01e05 - Old Friends
• s01e06 - Journey to the Cat's Lair
• s01e07 - Legacy
• s01e08 - The Duelist and the Drifter
• s01e09 - Berbils
• s01e10 - Sight Beyond Sight
• s01e11 - The Forest of Magi Oar
• s01e12 - Into the Astral Plane
• s01e13 - Between Brothers
• s01e14 - New Alliances
• s01e15 - The Trials of Lion-O Pt. 1
• s01e16 - The Trials of Lion-O Pt. 2
• s01e17 - Native Son
• s01e18 - Survival of the Fittest
• s01e19 - The Pit
• s01e20 - Curse of Ratilla
• s01e21 - Birth of the Blades
• s01e22 - The Forever Bag
• s01e23 - Recipe for Disaster
• s01e24 - The Soul Sever
• s01e25 - What Lies Above, Part 1
• s01e26 - What Lies Above, Part 2

Thundercats Show Summary

After Thundera is attacked by the lizard people, Lion-O leads the ThunderCats on a quest for the Book of Omens, the one artifact that could guide them to victory. But he'll have to face villains like the ancient evil sorceror Mumm-Ra and the dangerous lizard general Slythe. Luckily, he has the Sword of Omens and its amazing powers at his disposal.

The series is a reboot of the 1985 television series of the adventures of a group of cat-like humanoid aliens living on a refugee planet that they call Third Earth, and Lion-O's ascension to the Thunderian throne.