– Jake fulfills his dream of experiencing life as a brick in a collapsing shack; wins an Emmy.

While the Lich (the ultimate evil) appears sparingly, Season 6 introduces the scariest villain of all: .

– Finn and Princess Bubblegum have a sleepover. No adventure. Just two emotionally exhausted people reconnecting as equals after years of hero/worship dynamic. It’s gorgeous.

A bleak, futuristic look at Ooo 1,000 years into the future, offering massive lore drops about the ultimate fates of the characters.

– The King of Ooo (a fake heir) takes over the Candy Kingdom. Sweet Pea (the Lich reborn as a child) reveals he remembers his past life as a cosmic destroyer, terrifying everyone. "You are alone, child. There is only darkness…" Chills.