Question: when is the last episode of adventure time going to air
Answer: 280 281 282 283 13 14 15 16 `` Come Along with Me '' TBA TBA September 3 , 2018 ( 2018 - 09 - 03 ) TBA TBD BMO narrates the Great Gum War in which Princess Bubblegum , Finn , Jake , Lady Rainicorn , Marceline , Flame Princess , Lemongrab , Slime Princess , Duke of Nuts , Huntress Wizard , and Lumpy Space Princess band together to battle Gumbald and his army .