S1·E132 Test Within the Stomach. Break Through Difficult Questions. Tintin Chance.

They enter the structure until they come upon Faudo. They enter through his mouth and proceed to the stomach where the guardian Unko Tintin awaits. He reveals that all must answer his questions before they can move on, but if anyone answers incorrectly, they shall all fall into the stomachs acid and be used as nutrients for Faudo.