Dont miss a Battle of the Bands special June 23! Finn hears a mysterious song while judging the biggest Battle of the Bands in Ooos history! [[WATCH FULL .\rbr\rbrWhile judging the hugest Battle of the Bands in the history of Ooo, Finn hears a mysterious new song. It airs Thursday, June 23rd at 7:306:30C on Cartoon .\rbr\rbr\rbr\rbrWhile judging the hugest Battle of the Bands in the history of Ooo, Finn hears a mysterious new song. It airs Thursday, June 23rd at 7:306:30C on Cartoon .\rbr\rbrHeres Video Adventure Time Season 7 Episode 36 : The Music Hole (Clip 1) While judging the hugest Battle of the Bands in the history of Ooo, Finn hears a .