Pokemon XY - episode 47 - 22 Oct, 2014

Clemont returns to his old school where he relives his younger years and reminisces about a Shinx he had befriended, but was forced to leave it behind after his graduation celebration. When he reunites with it, it has evolved into Luxio ever since and Clemont tries to heal the rift that was caused a few years ago. (Source: Wikipedia)