- wSerie
- TV Shows
- Adventure Time
- Season 8
- Episode 22
Islands: Mysterious Island (3)
Adventure Time - S8 - E22
After waking up alone and shipwrecked, Finn investigates a bizarre island in search of his friends.
Adventure Time: Season 8 - 27 Episode s
8x1 - Broke His Crown
March 26, 2016
When Ice King's magic crown goes haywire, Marceline and Princess Bubblegum resort to extreme measures to help him.
8x2 - Don't Look
April 2, 2016
Finn unearths a treasure with a terrible price at the top of Dead Mountain.
8x3 - Beyond the Grotto
April 9, 2016
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.
8x4 - Lady Rainicorn of the Crystal Dimension
April 16, 2016
Jake's son finds a hidden box and draws attention from a Rainicorn.
8x5 - I am a Sword
April 23, 2016
When Finn begins having nightmares about his missing Finn Sword, he wonders if they are real.
8x6 - Bun Bun
May 5, 2016
Finn brings a special delivery for Cinnamon Bun to the Fire Kingdom but it may come with a dangerous cost.
8x7 - Normal Man
May 12, 2016
Normal Man asks for Finn and Jake's help to rescue his brother.
8x8 - Elemental
May 19, 2016
Ice King digs up an item buried underneath the Ice Kingdom.
8x9 - Five Short Tables
May 26, 2016
Fionna and Cake go on a cooking adventure to push Cake's art to an all-new level.
8x10 - The Music Hole
June 23, 2016
Finn hears a mysterious song while judging a Battle of the Bands.
8x11 - Daddy-Daughter Card Wars
July 7, 2016
Jake and his daughter Charlie fight to restore Jake's honor and win a super-secret underground Card Wars tourney.
8x12 - Preboot
November 19, 2016
While searching for old human artifacts, Jake, Finn, and Susan Strong meet Tiffany, who is employed by a mysterious Doctor Gross.
8x13 - Reboot
November 19, 2016
After Susan Strong's chip is activated, she goes rogue and attacks Finn.
8x14 - Two Swords
January 23, 2017
Finn and Jake puzzle over the nature of a mysterious newcomer.
8x15 - Do No Harm
January 23, 2017
Doctor Princess thrusts a great responsibility upon Finn. Jake goes adventuring with a new friend.
8x16 - Wheels
January 24, 2017
Kim Kil Whan is worried about his daughter's future and asks Jake for some parental advice.
8x17 - High Strangeness
January 25, 2017
An otherworldly encounter puts Tree Trunks on the trail of a conspiracy in the Candy Kingdom.
8x18 - Horse and Ball
January 26, 2017
When disaster befalls James Baxter, it’s up to Finn and Jake to help him pick up the pieces.
8x19 - Jelly Beans Have Power
January 27, 2017
Princess Bubblegum's scientific mind must wrestle with her Elemental magic potential when she's faced with a Crystal Entity.
8x20 - Islands: The Invitation (1)
January 30, 2017
A mysterious craft invades Ooo and Finn believes it may hold the secrets to his past.
8x21 - Islands: Whipple the Happy Dragon (2)
January 30, 2017
Finn, Jake, and Susan set sail on a ocean voyage full of wonders and danger.
8x22 - Islands: Mysterious Island (3)
January 31, 2017
After waking up alone and shipwrecked, Finn investigates a bizarre island in search of his friends.
8x23 - Islands: Imaginary Resources (4)
January 31, 2017
Finn and Jake travel to a land where reality has been redesigned and improved.
8x24 - Islands: Hide and Seek (5)
February 1, 2017
While exploring some futuristic ruins, Susan sees glimpses of a familiar girl.
8x25 - Islands: Min & Marty (6)
February 1, 2017
An unexpected revelation from Susan leads Finn closer to answers about his past.
8x26 - Islands: Helpers (7)
February 2, 2017
Finn and his friends journey to a last refuge called Founders Island.
8x27 - Islands: The Light Cloud (8)
February 2, 2017
Finn confronts the power behind Founders Island, but will he ever return home to Ooo?