Justice League is an American animated television series which ran from 2001 to 2004 on Cartoon Network.
I agree, I was thinking comic to.
I think this one could have been categorized either way, the art is the same for the TV series and the comic. Art by Bruce Timm and Alex Ross.
Here is the comic cover: Justice League Adventures
Yeh, I see what you mean, thanks Torino you are always very helpful.