Sons of Mars (Adventure Time)

"Sons of Mars"
Adventure Time episode
Episode no.	Season 4 Episode 15
Directed by	Larry Leichliter[a] Nate Cash[b] Nick Jennings[c]
Written by	Ako Castuera Jesse Moynihan
Story by	Patrick McHale Kent Osborne Pendleton Ward Jesse Moynihan Doug TenNapel
Production code	1009-093[1]
Original air date	July 23, 2012 (2012-07-23)
Running time	11 minutes
Guest appearances
Tom Gammill as Glob Melissa Villaseñor as Grob Miguel Ferrer as Death, Grod
Episode chronology
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Adventure Time season 4
List of episodes

"Sons of Mars" is the fifteenth episode of the fourth season of the American animated television series Adventure Time. The episode was written and storyboarded by Ako Castuera and Jesse Moynihan, from a story by Patrick McHale, Kent Osborne, and Pendleton Ward. It originally aired on Cartoon Network on July 23, 2012. The episode guest stars Tom Gammill, Miguel Ferrer, and Melissa Villaseñor.

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, when the Martian deity Grob Gob Glob Grod (voiced by Tom Gammill, Miguel Ferrer, Melissa Villaseñor, and Tom Kenny) comes to arrest Magic Man (voiced by Kenny) for his crimes, he uses his magic to disguise himself as Jake to escape his trial while having the real Jake take his place. Jake is tried by Abraham Lincoln (voiced by Ward), King of Mars, but soon, all is righted when Finn travels to Mars to save his friend.

The episode marks both the return of Lincoln, who had appeared in the series' pilot episode, as well as the on-screen debut of the oft-mentioned deity Grob Gob Glob Grod. Ward had originally wanted Bill Nye, Bill Cosby, Bill Clinton, and Bill Murray to voice the character. "Sons of Mars" helped Cartoon Network mark double digit growth in all kid demos for the night, according to Nielsen ratings. It received largely positive reviews from critics, with many applauding the absurdity apparent in the episode.

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