ThunderCats (2011): Season 1


# Air Date Title
1 Jul 29

The Sword of Omens

Lion-O struggles with his destiny to become the next King of Thundera, as chosen by the Sword of Omens. Meanwhile, festivities are held to celebrate General Grune’s retur…

2 Jul 29

Ancient Spirits of Evil

An unforeseen betrayal by a former comrade brings destruction upon the Cat Kingdom. While King Claudus leads the fight against General Slithe and his lizard army, the evil sorc…

3 Aug 05

Ramlak Rising

After escaping their destroyed city with the Sword of Omens, the team encounters the Fishmen, who sail the quicksand sea in search of a massive sea creature. The ThunderCats’ q…

4 Aug 12

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 you…

5 Aug 19

Old Friends

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…

6 Aug 26

Journey to the Tower of Omens

The ThunderCats continue their quest for the Book of Omens, which leads them to the fabled Tower of Omens. However, they will first have to get past a series of deadly traps in…

7 Sep 02


Lion-O’s soul is transported into the Book of Omens and he sees what life was like in the eyes of his ancestors as they start a rebellion against Mumm-Ra and discovers th…

8 Sep 09

The Duelist and the Drifter

As Tygra and Panthro work on the ThunderTank, Lion-O is searching for supplies and encounters a mysterious Drifter who helps teach a few important lessons. After showing off Th…

9 Oct 28


The ThunderCats meet the mysterious beings who had helped them during the night and they turn out to be the Berbils, or Ro-Bears. The Berbils treat the ThunderCats with great h…

10 Nov 04

Sight Beyond Sight

The Cats track the location of the first stone to the mystical Elephant Village, but Lion-O can’t find the specific location and the forgetful Elephants no longer remembe…

11 Nov 11

The Forest of Magi Oar

When in the Forest of Magi Oar, the ThunderCats send WilyKit, WilyKat and Snarf to search for firewood. After they return, they start a fire and lay down to rest. Lion-O then…

12 Nov 18

Into the Astral Plane

Tygra’s jealousy boils over, leading to a clash with Lion-O.

13 Nov 25

Between Brothers

While Lion-O and Tygra are in the Astral Plane dealing with their issues which have been magnified by the powers of Mumm-Ra who wants them to destroy each other, the other Thun…

14 Mar 24

New Alliances

The Thundercats go on the offensive taking down Mumm-Ra’s lizard army piece by piece. Lion-O appeals to the soldiers to turn against their overlord, but Mumm-Ra won’t see his…

15 Mar 31

The Trials of Lion-O (Part 1)

The ThunderCats are ambushed by Slithe who is now assisted by Kaynar and Addicus. When Lion-O is knocked into the river and pinned down by the rocks, he finds himself in the sp…

16 Apr 07

The Trials of Lion-O (Part 2)

Lion-O must finish his trials in order to rescue the other ThunderCats from Mumm-Ra and his army.

17 Apr 14

Native Son

While traveling through snowy mountains in search of safe passage, Tygra and Lion-O come upon a lost tiger village and in it they find Tygra’s real father. Tygra learns w…

18 Apr 21

Survival of the Fittest

While Lion-O and Tygra were off with the tiger clan adventure, the rest of the crew is keeping an eye on the Thundertank. The twins are looking for some stashed food, but it ap…

19 Apr 28

The Pit

A refugee cat is forced to fight in gladiator-style battles in a city of dogs.

20 May 05

Curse of Ratilla

Arriving at Mount Plun-Darr, the ThunderCats and Pumyra discover that the Thunderian slaves are being forced to excavate the Sword of Plun-Darr for Ratar-O and his Rats.

21 May 12

Birth of the Blades

Mumm-Ra arrives at Mount Plun-Darr and battles the Thundercats in an attempt to regain the Sword of Plun-Darr.

22 May 19

The Forever Bag

WilyKit, WilyKat, and Snarf track down a thief in Dog City.

23 May 26

Recipe for Disaster

The Thundercats require the assistance of a snake oil salesman named Ponzie to defeat Mumm-ra’s latest monstrous form.

24 Jun 02

The Soul Sever

After making it back to the City of Dogs, Panthro is wondering why the Book of Omens is pointing to the sky. Lion-O runs into Jorma who had survived the attack on Thundera and…

25 Jun 09

What Lies Above (Part 1)

The book of Omens leads the Thundercats to a city in the sky ruled by birds!

26 Jun 16

What Lies Above (Part 2)

The ThunderCats must stop Mumm-Ra from getting the Tech Stone!

About ThunderCats (2011)

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 Slithe. Luckily, he has the Sword of Omens and its amazing powers at his disposal.