Saru Get You – Pipo Saru Senki

After kidnapping The Professor, Aki, Sayaka, Satoru and Hikaru, Specter shrinks the laboratory with Kakeru and Natsumi still inside. On the bright side, the lab is now the perfect size to be disguised as a Pipo Helmet! Natsumi and Kakeru can use this to take control over monkeys to help rescue their friends and defeat Specter once again.