New episode title(s) has/have been added to the database. Title: マスタータワー！ メガシンカの歴史！！ / Master Tower! Megashinka no rekishi!! / The Master Tower! The History of Mega Evolution!!. Please comment below!
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Even though Satoshi hasn't mastered the "rhythm tactics" yet, he and his friends head for the Master Tower where the Shala Gym is located. But the night before his Gym match with Corni, the Rocket Gang steal a secret document on Mega Evolution!

Summary:
At long last, Satoshi and friends arrive in Shala City and reunite with Corni and Lucario. The group heads to the Master Tower where the Gym is located after Satoshi decides to challenge Corni to a Gym Match despite not yet having mastered the "rhythm tactics" he learned from Tierno at the Summer Camp, which the rest of the group finds worrisome. However, the night before the Gym Match, the Rocket Gang steal the secret document on Mega Evolution that's hidden away in the Master Tower.

Panic arises! Will everyone be able to retrieve the document from the Rocket Gang!?

Voice Cast:
Rica Matsumoto: Satoshi
Ikue Ohtani: Pikachu
Mayuki Makiguchi: Serena
Yuki Kaji: Citron
Mariya Ise: Eureka
Megumi Sato: Dedenne
Megumi Hayashibara: Musashi
Shinichiro Miki: Kojiro
Inuko Inuyama: Nyarth
Yuji Ueda: Sonansu
Kiyotaka Furushima: Lucario
Hitomi Nabatame: Harimaron
Kenta Miyake: Maaiika
Yuka Terasaki: Corni
Chinatsu Akasaki: Joy
Unsho Ishizuka: Narration

"Manon's Illustrated Mega Evolution Journal"
Kensho Ono: Alan
Mikako Komatsu: Manon
Yuka Terasaki: Harimaron
Kenta Miyake: Mega Laglarge