Adventure Time Season 8
01. Broke His Crown
When Ice King's magic crown goes haywire, Marceline and Princess Bubblegum resort to extreme measures to help him.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
02. Don't Look
Finn unearths a treasure with a terrible price at the top of Dead Mountain.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
Dylan Haggerty
Story
03. Beyond the Grotto
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.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
04. Lady Rainicorn of the Crystal Dimension
Jake's son finds a hidden box and draws attention from a Rainicorn.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Dan Mintz
T.V.
Bert Youn
Lee
Henry Rollins
Bob Rainicorn
Laura Silverman
Ethel Rainicorn
Fred Stoller
Roy
Polly Lou Livingston
Tree Trunks (voice)
05. I am a Sword
When Finn begins having nightmares about his missing Finn Sword, he wonders if they are real.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
06. Bun Bun
Finn brings a special delivery for Cinnamon Bun to the Fire Kingdom but it may come with a dangerous cost.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
07. Normal Man
Normal Man asks for Finn and Jake's help to rescue his brother.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Justin Roiland
Earl of Lemongrab (voice) / Starfish Martian (voice)
Polly Lou Livingston
Tree Trunks (voice)
08. Elemental
Ice King digs up an item buried underneath the Ice Kingdom.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
Lauren Lapkus
Patience St. Pim (voice)
09. Five Short Tables
Fionna and Cake go on a cooking adventure to push Cake's art to an all-new level.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Neil Patrick Harris
Prince Gumball
Donald Glover
Marshall Lee
Hannibal Buress
Flame Prince
Crispin Freeman
Turtle Prince
Grey DeLisle
Ice Queen
Madeleine Martin
Fionna
Elle Newlands
Butterscotch Butler
Polly Lou Livingston
Tree Trunks (voice)
Emo Philips
Cuber (voice)
10. The Music Hole
Finn hears a mysterious song while judging a Battle of the Bands.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
11. Daddy-Daughter Card Wars
Jake and his daughter Charlie fight to restore Jake's honor and win a super-secret underground Card Wars tourney.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
Dylan Haggerty
Story
12. Preboot
While searching for old human artifacts, Jake, Finn, and Susan Strong meet Tiffany, who is employed by a mysterious Doctor Gross.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
13. Reboot
After Susan Strong's chip is activated, she goes rogue and attacks Finn.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
14. Two Swords
Finn and Jake puzzle over the nature of a mysterious newcomer.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
15. Do No Harm
Doctor Princess thrusts a great responsibility upon Finn. Jake goes adventuring with a new friend.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
16. Wheels
Kim Kil Whan is worried about his daughter's future and asks Jake for some parental advice.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
17. High Strangeness
An otherworldly encounter puts Tree Trunks on the trail of a conspiracy in the Candy Kingdom.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
18. Horse and Ball
When disaster befalls James Baxter, it’s up to Finn and Jake to help him pick up the pieces.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
19. Jelly Beans Have Power
Princess Bubblegum's scientific mind must wrestle with her Elemental magic potential when she's faced with a Crystal Entity.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
Alan Tudyk
Chatsberry (voice)
Lauren Lapkus
Patience St. Pim (voice)
20. Islands: The Invitation (1)
A mysterious craft invades Ooo and Finn believes it may hold the secrets to his past.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
21. Islands: Whipple the Happy Dragon (2)
Finn, Jake, and Susan set sail on a ocean voyage full of wonders and danger.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
22. Islands: Mysterious Island (3)
After waking up alone and shipwrecked, Finn investigates a bizarre island in search of his friends.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
23. Islands: Imaginary Resources (4)
Finn and Jake travel to a land where reality has been redesigned and improved.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
24. Islands: Hide and Seek (5)
While exploring some futuristic ruins, Susan sees glimpses of a familiar girl.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
Livvy Stubenrauch
Young Kara (voice)
25. Islands: Min & Marty (6)
An unexpected revelation from Susan leads Finn closer to answers about his past.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
Sharon Horgan
Minerva (voice)
Stephen Root
Martin (voice)
Laraine Newman
Widow / Additional Voices (voice)
Kent Osborne
Additional Voices (voice)
Lennon Parham
Additional Voices (voice)
Jackie Buscarino
Susan Strong / Kara / Additional Voices (voice)
26. Islands: Helpers (7)
Finn and his friends journey to a last refuge called Founders Island.
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)
Sharon Horgan
Minerva (voice)
27. Islands: The Light Cloud (8)
Finn confronts the power behind Founders Island, but will he ever return home to Ooo?
Pendleton Ward
Lumpy Space Princess (voice)
Olivia Olson
Marceline the Vampire Queen (voice)
Jeremy Shada
Finn the Human (voice)
John DiMaggio
Jake the Dog (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Niki Yang
BMO / Lady Rainicorn (voice)
Polly Lou Livingston
Tree Trunks (voice)