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Watch Adventure Time - Season 9 Episode 19 Online!:

A mysterious knight crashes Finn's birthday bash and presents him with a dangerous gift.

Writing:
  • Pendleton Ward

Stars:
Release Date: 2010-04-05
Seasons: 1 2 3 4 5 6 7 8 9 10
Metacritic: 7.7/10
TMDb: 8.5/10
  • Country: US, GB
  • Language: English
  • Runtime: 11

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Orb
Episode 1 - Orb
Elements: Skyhooks (1)
Episode 2 - Elements: Skyhooks (1)
Elements: Bespoken For (2)
Episode 3 - Elements: Bespoken For (2...
Elements: Winter Light (3)
Episode 4 - Elements: Winter Light (3...
Elements: Cloudy (4)
Episode 5 - Elements: Cloudy (4)
Elements: Slime Central (5)
Episode 6 - Elements: Slime Central (...
Elements: Happy Warrior (6)
Episode 7 - Elements: Happy Warrior (...
Elements: Hero Heart (7)
Episode 8 - Elements: Hero Heart (7)
Elements: Skyhooks II (8)
Episode 9 - Elements: Skyhooks II (8)
Abstract
Episode 10 - Abstract
Ketchup
Episode 11 - Ketchup
Fionna and Cake and Fionna
Episode 12 - Fionna and Cake and Fionn...
Whispers
Episode 13 - Whispers
Three Buckets
Episode 14 - Three Buckets
The Wild Hunt
Episode 15 - The Wild Hunt
Always BMO Closing
Episode 16 - Always BMO Closing
Son of Rap Bear
Episode 17 - Son of Rap Bear
Bonnibel Bubblegum
Episode 18 - Bonnibel Bubblegum
Seventeen
Episode 19 - Seventeen
Ring of Fire
Episode 20 - Ring of Fire
Marcy & Hunson
Episode 21 - Marcy & Hunson
The First Investigation
Episode 22 - The First Investigation