I used to watch the old-school Thundercats, but the new 2011 series is absolutely amazing. Out go the camp outfits and 80's kitsch, and in comes the following....
Characterisation - Panthro being a hard-arse veteran with a better outfit, the Thunderkittens as a pair of wide-eyed street urchins, Cheetara as a cleric and Tygra and Lion-O as brothers.
The setting - Feels more like an epic LOTR movie than a modern Saturday cartoon.
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"I've seen things you people wouldn't believe: Attack ships on fire off the shoulder of Orion; I've watched c-beams glitter in the dark near the Tannhauser Gate. All those moments will be lost in time; like tears in rain. Time to die." Roy Batty