You will Watch Adventure Time Season 5 Episode 42 online for free episodes with HQ / high quality. Stream cartoons Adventure Time Episode 146 Finn and Jake accompany Princess Bubblegum on her study of the Desert of Wonders. However, they are soon attacked by goo monsters, and Finn and Jake think that Bubblegum’s candy helper James (voiced by Andy Merrill) is hindering their rescue. It is revealed that Bubblegum has been sabotaging Finn’s plans because they won’t work. James then sacrifices himself for the greater good.