Finn Finds a Sword Master in Rattleballs!

[cncvp video_id=”8a250ab043a0f3420143b5b88ce90053″]

Finn’s got a sweet, new grass blade! But does he have the skills to use it? Apparently not. Watch “Rattleballs,” an all-new episode of Adventure Time coming Monday, January 27, at 7/6c!

What’s the deal with Rattleballs?

[cnce src=”http://www.cartoonnetwork.com/forums/communityjs/780?forum=52&key=4RGJVq&threadID=114090″%5D