Pendleton Ward creates the original Adventure Time pilot which airs on Nicktoons Network's Random! Cartoons.
Adventure Time officially premieres on Cartoon Network and gains a large following.
Season 1 of Adventure Time completes its run, establishing the show's unique storytelling and style.
Adventure Time receives a Peabody Award for excellence in storytelling and creativity in children's programming.
The final episode of Adventure Time airs, concluding the beloved series after ten seasons.
HBO Max releases the Adventure Time: Distant Lands specials, continuing the story beyond the original series.
A catastrophic global conflict caused widespread destruction and the transformation of the Earth into the Land of Ooo.
Princess Bubblegum establishes the Candy Kingdom and begins creating sentient candy people.
Finn the Human is found and adopted as a baby by Joshua and Margaret in the post-war Land of Ooo.
Finn meets Jake, the magical dog, and they become best friends and adoptive brothers.
Finn starts his adventures as a hero throughout the Land of Ooo, fighting monsters and helping citizens.
It is revealed that the Ice King was once a human named Simon Petrikov before the crown corrupted him.
The true identity of Gunter as Orgalorg, an ancient cosmic entity, is discovered.
Finn and his friends defeat the evil cosmic entity known as The Lich to save Ooo.
Finn loses his right arm during a battle and later gets a grass sword prosthetic.
A conflict arises involving the four elemental kingdoms in Ooo; fire, water, candy, and slime.
Finn and friends confront the ultimate threat to Ooo leading to peace and the start of a new era.
