ThunderCats (2011 series)
ThunderCats (2011) is a reboot of the 1985 animated series of the same name. The series follows a group of alien cat-people from the Kingdom of Thundera on the planet Third Earth. Led by the young King Lion-O, they travel in search of artifacts that can defeat a re-awakened enemy from the ancient past, the evil sorcerer Mumm-Ra. It's produced by Warner Bros Animation and animated by Japan's Studio 4 C. It received an hour-long premiere on Cartoon Network on July 29, 2011. Click here to watch the official trailer.
Has a wiki here. Has a discussion thread here.
NOTE: Tropes related to the characters should be placed in one of the character sheets.