ThunderCats Season 1 Episode 21
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.
1 - 26What Lies Above (Part 2)Jun. 16, 2012- 1 - 25What Lies Above (Part 1)Jun. 09, 2012
- 1 - 24The Soul SeverJun. 02, 2012
- 1 - 23Recipe for DisasterMay. 26, 2012
- 1 - 22The Forever BagMay. 19, 2012
- 1 - 21Birth of the BladesMay. 12, 2012
- 1 - 20Curse of RatillaMay. 05, 2012
- 1 - 19The PitApr. 28, 2012
- 1 - 18Survival of the FittestApr. 21, 2012
- 1 - 17Native SonApr. 14, 2012
- 1 - 16The Trials of Lion-O (Part 2)Apr. 07, 2012
- 1 - 15The Trials of Lion-O (Part 1)Mar. 31, 2012
- 1 - 14New AlliancesMar. 24, 2012
- 1 - 13Between BrothersNov. 25, 2011
- 1 - 12Into the Astral PlaneNov. 18, 2011
- 1 - 11The Forest of Magi OarNov. 11, 2011
- 1 - 10Sight Beyond SightNov. 04, 2011
- 1 - 9BerbilsOct. 28, 2011
- 1 - 8The Duelist and the DrifterSep. 09, 2011
- 1 - 7LegacySep. 02, 2011
- 1 - 6Journey to the Tower of OmensAug. 26, 2011
- 1 - 5Old FriendsAug. 19, 2011
- 1 - 4Song of the PetalarsAug. 12, 2011
- 1 - 3Ramlak RisingAug. 05, 2011
- 1 - 2Ancient Spirits of EvilJul. 29, 2011
- 1 - 1The Sword of OmensJul. 29, 2011
