Title: Hachiku Appears! Ulgamoth's Holy Mountain!! 
Air Date: May 10, 2012 
Summary: Satoshi, Iris, and Dent finally arrive in Sekka City. But before Satoshi can challenge movie star Hachiku and his Tunbear for his next Gym Badge, they must help Hachiku save Ulgamoth from the Pokemon Hunter Rinzo and his two Burungel. 
Source: Wikipedia