Track 11- Grateful Rock Festival is the 11th episode of the SHOW BY ROCK!! Anime series that premiered on June 14, 2015.
- The day of the Grateful Rock Festival Arrives.
- Dagger Morse finally receives the new song from Grateful King, but goes back on his word to free him.
- During the Fesival, Plasmagica, Shingan Crimsonz, Trichronika, and Tsurezurenaru Ayatsuri Mugenan are attacked by a bee like Dark Monster.
- The Dark Monster captures everyone except Cyan, Shu Zo and Daru Dayu.
- Daru Dayu transforms into a giant form of her daruma form to fight the Dark monster.
- Cyan stops Daru Dayu from killing the dark monster after she realizes its actually Rosia.
- Meanwhile, Maple Arisugawa and Angelica travel by motorcycle to an unknown location.
- Mari Mari, Tsugihagi, Wendy and Koriente make their human cameos once again in this episode.
- Uwasanopetals finally gets the chance to travel to Midi City to attend the Grateful Rock Festival after receiving tickets from a Ogasawara.