SERIES RETURN: Samurai Jack was an animated series about a time-traveling samurai warrior. It was a visually bold, Emmy-winning adventure series created by Genndy Tartakovsky, and ran for four seasons on the Cartoon Network from 2001-2004. Tonight it returns, with new installments, and with Tartakovsky again in charge, on Cartoon Network’s Adult Swim. It seems altogether fitting: a series about a Japanese warrior displaced in time resurfaces in a strikingly different era…