Season 1 · Episode 21
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Birth of the Blades
Sat, May 12, 2012
·
23 min
Mumm-Ra arrives at Mount Plun-Darr and battles the Thundercats in an attempt to regain the Sword of Plun-Darr.
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Sat, May 12, 2012
23 min
Show
ThunderCats
26 episodes
Episode
S1 · E21
in ThunderCats
Up next
The Forever Bag
S1 · E22
The Forever Bag
Sat, May 19, 2012