Title: Movie Showdown! Sortie Out Isshu Defence Forces!! (映画対決！出撃イッシュ防衛隊!!) 
Air Date: June 7, 2012 
Summary: Upon arriving in port, Satoshi, Dent, and Iris meet up with Luke and his Zorua, again, in a city once used as a set for a popular movie. Luke is here to make a film for a contest and everyone decides to help him out.  
Source: Wikipedia