Season 5, Episode 45 Rattleballs
First Aired: January 27, 2014
An old gumball robot trains Finn to become a better swordsman and ends up testing Finn's loyalty to Princess Bubblegum.
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- Premiered: April 5, 2010
- Rating: TV-PG
- Premise: The exploits of a boy and his magical dog are chronicled in this cartoon set in the surreal Land of Ooo. (more)
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