27 episodes · first aired 2016-03-26
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | Broke His Crown 2016-03-26 | When Ice King's magic crown goes haywire, Marceline and Princess Bubblegum resort to extreme measures to help him. | 2016-03-26 | 7.4 |
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Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.
| 02 |
Don't Look 2016-04-02 |
Finn unearths a treasure with a terrible price at the top of Dead Mountain. |
| 2016-04-02 |
| 7.2 |
 | 03 | Beyond the Grotto 2016-04-09 | Finn and Jake follow their Sea Lard into the pond in front of their home, and in doing so, are led to a strange new world. | 2016-04-09 | 6.9 |
 | 04 | Lady Rainicorn of the Crystal Dimension 2016-04-16 | Jake's son finds a hidden box and draws attention from a Rainicorn. | 2016-04-16 | 7.1 |
 | 05 | I am a Sword 2016-04-23 | When Finn begins having nightmares about his missing Finn Sword, he wonders if they are real. | 2016-04-23 | 6.8 |
 | 06 | Bun Bun 2016-05-05 | Finn brings a special delivery for Cinnamon Bun to the Fire Kingdom but it may come with a dangerous cost. | 2016-05-05 | 6.6 |
 | 07 | Normal Man 2016-05-12 | Normal Man asks for Finn and Jake's help to rescue his brother. | 2016-05-12 | 7.0 |
 | 08 | Elemental 2016-05-19 | Ice King digs up an item buried underneath the Ice Kingdom. | 2016-05-19 | 7.6 |
 | 09 | Five Short Tables 2016-05-26 | Fionna and Cake go on a cooking adventure to push Cake's art to an all-new level. | 2016-05-26 | 6.6 |
 | 10 | The Music Hole 2016-06-23 | Finn hears a mysterious song while judging a Battle of the Bands. | 2016-06-23 | 7.9 |
 | 11 | Daddy-Daughter Card Wars 2016-07-07 | Jake and his daughter Charlie fight to restore Jake's honor and win a super-secret underground Card Wars tourney. | 2016-07-07 | 7.4 |
 | 12 | Preboot 2016-11-19 | While searching for old human artifacts, Jake, Finn, and Susan Strong meet Tiffany, who is employed by a mysterious Doctor Gross. | 2016-11-19 | 6.3 |
 | 13 | Reboot 2016-11-19 | After Susan Strong's chip is activated, she goes rogue and attacks Finn. | 2016-11-19 | 6.7 |
 | 14 | Two Swords 2017-01-23 | Finn and Jake puzzle over the nature of a mysterious newcomer. | 2017-01-23 | 7.0 |
 | 15 | Do No Harm 2017-01-23 | Doctor Princess thrusts a great responsibility upon Finn. Jake goes adventuring with a new friend. | 2017-01-23 | 6.9 |
 | 16 | Wheels 2017-01-24 | Kim Kil Whan is worried about his daughter's future and asks Jake for some parental advice. | 2017-01-24 | 6.9 |
 | 17 | High Strangeness 2017-01-25 | An otherworldly encounter puts Tree Trunks on the trail of a conspiracy in the Candy Kingdom. | 2017-01-25 | 6.3 |
 | 18 | Horse and Ball 2017-01-26 | When disaster befalls James Baxter, it’s up to Finn and Jake to help him pick up the pieces. | 2017-01-26 | 7.0 |
 | 19 | Jelly Beans Have Power 2017-01-27 | Princess Bubblegum's scientific mind must wrestle with her Elemental magic potential when she's faced with a Crystal Entity. | 2017-01-27 | 6.7 |
 | 20 | Islands: The Invitation (1) 2017-01-30 | A mysterious craft invades Ooo and Finn believes it may hold the secrets to his past. | 2017-01-30 | 7.1 |
 | 21 | Islands: Whipple the Happy Dragon (2) 2017-01-30 | Finn, Jake, and Susan set sail on a ocean voyage full of wonders and danger. | 2017-01-30 | 7.2 |
 | 22 | Islands: Mysterious Island (3) 2017-01-31 | After waking up alone and shipwrecked, Finn investigates a bizarre island in search of his friends. | 2017-01-31 | 7.3 |
 | 23 | Islands: Imaginary Resources (4) 2017-01-31 | Finn and Jake travel to a land where reality has been redesigned and improved. | 2017-01-31 | 7.7 |
 | 24 | Islands: Hide and Seek (5) 2017-02-01 | While exploring some futuristic ruins, Susan sees glimpses of a familiar girl. | 2017-02-01 | 7.7 |
 | 25 | Islands: Min & Marty (6) 2017-02-01 | An unexpected revelation from Susan leads Finn closer to answers about his past. | 2017-02-01 | 8.1 |
 | 26 | Islands: Helpers (7) 2017-02-02 | Finn and his friends journey to a last refuge called Founders Island. | 2017-02-02 | 8.1 |
 | 27 | Islands: The Light Cloud (8) 2017-02-02 | Finn confronts the power behind Founders Island, but will he ever return home to Ooo? | 2017-02-02 | 8.3 |
