S1, E3: Loopy and Vernon get lost in Near Under where they run into Auntie First who locks Loopy up in her Pet Sanctuary. Back in Under, Russell explains to Vernon that they need money for a ransom to get Loopy back. Vernon doesnt know what money is and Russell realizes that they use a barter system in Under. Russell tries to explain what money is and lists different names used for it. Vernon recognizes the word Greenbacks so Russell sends Vernon off to get some. What Russell doesnt know is that in Under Greenbacks are frog-like animals. Bob Wire hears about the plan and decides to corner the market and capture all the Greenbacks in Under. In Near Under, Russell and Gus decide to confront Auntie First and her sidekick Captain Darling, who then order Gus thrown into the pet sanctuary with Loopy. After some arguing Russell convinces Auntie that they should have a vote. Unfortunately, in Near Under everyone votes for whatever Auntie First wants. Russell and Populah plan a daring escape and free all of the anim