The fourth season of "Adventure Time", an American animated television series created by Pendleton Ward, premiered on Cartoon Network on April 2,2012 and concluded on October 22,2012.
The fourth season of the American animated television series "Adventure Time", created by Pendleton Ward, originally aired on Cartoon Network in the United States. The season debuted on April 2,2012, and the season finale was aired on October 22,2012.