The Emperor's New School (2006)

S2E46 Kronk the Magnificent

Yzma’s scheme to erase Kuzco from the Royal Records goes awry when Kronk saves the Royal Record Keeper and inadvertently puts Kuzco’s name back in. In an effort to reverse this mistake, Kuzco joins forces with Yzma, but as their plan unfolds, he seizes an opportunity to betray her, revealing his true intentions.