Cartoon Network’s Emmy and Peabody Award-winning “Adventure Time” presents “Adventure Time: Elements,” a thrilling eight-part miniseries chronicling Finn and Jake’s return to the Land of Ooo. The four-night special event, filled with drama, epic battles, and daring escapes, commences Monday, April 24th (7:30 p.m., ET/PT) and concludes Thursday, April 27th (7:30 p.m., ET/PT).