Adventure Time (2010)

S01E19 The Duke

Finn finds himself in a tricky situation when he inadvertently transforms Princess Bubblegum into a bald, green version of herself. To cover up his blunder, he tries to pin the blame on the Duke of Nuts. However, as the truth weighs heavily on him, Finn realizes he must come clean about his mistake. As he navigates the consequences of his actions, he learns about honesty and the importance of taking responsibility for his deeds.