Ketchup (Adventure Time)

"Ketchup"
Adventure Time episode
Episode no.Season 9
Episode 11
Directed by
Written bySeo Kim
Somvilay Xayaphone
Story byKent Osborne
Jack Pendarvis
Julia Pott
Patrick McHale
Ashly Burch
Adam Muto
Featured music"I Want To Ride" by Pat McHale and his son
Production code1042-271[1]
Original air dateJuly 18, 2017 (2017-07-18)
Running time11 minutes
Guest appearance
Episode chronology
← Previous
"Abstract"
Next →
"Fionna and Cake and Fionna"
Adventure Time season 9
List of episodes

"Ketchup" is the name of the eleventh episode of the ninth season of the American animated television series Adventure Time. The episode was written and storyboarded by Seo Kim and Somvilay Xayaphone, from a story by lead writer Kent Osborne, Jack Pendarvis, Julia Pott, Patrick McHale, Ashly Burch, and series showrunner Adam Muto. It originally aired on Cartoon Network on July 18, 2017 and guest stars J. G. Quintel as a blue jay.

The series follows the adventures of Finn (voiced by Jeremy Shada), a human boy, and his best friend and adoptive brother Jake (voiced by John DiMaggio), a dog with magical powers to change shape and grow and shrink at will. In this episode, Marceline is unexpectedly visited by BMO who is asked to download a USB drive. While they wait, the two tell each other stories, leading to BMO telling Marceline the story of "the Child and the Moon Girl", based on Marceline and her mother.


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  1. ^ Production codes for the season derived from the following sources:
    • Adventure Time production staff (November 8, 2013). "King of Ooo". Tumblr. Archived from the original on November 9, 2013. Retrieved November 9, 2013. Note: Production codes are stamped onto various storyboards that must be searched for.
    • "Copyright Catalog" (enter "Adventure Time" in the search parameter and select individual episode titles for further information). United States Copyright Office. Archived from the original on June 29, 2012. Retrieved July 14, 2017.