You will Watch Adventure Time Season 5 Episode 43 online for free episodes with HQ / high quality. Stream cartoons Adventure Time Episode 147 Root Beer Guy (voiced by Jack Pendarvis) witnesses Finn and Jake abduct Princess Bubblegum, but no one believes him. He eventually decides to take matters into his own hands. In the end, it is revealed that Bubblegum set up the entire situation to test her police force: the banana guards. Because he solved the case, Root Beer Guy is promoted to head of the banana guards.