Adventure Time (2010)

S3E5 Too Young

When Princess Bubblegum unexpectedly regresses in age, the Earl of Lemongrab seizes control of the Candy Kingdom. Now, it's up to her and Finn to reclaim their home from his tyrannical grip. Faced with challenging choices that could change their lives forever, they plot to outsmart the eccentric Earl and restore Bubblegum to her rightful place.