The Moshi Fest was a series of musical events on Moshi Monsters, such as MopTop Mischief , Build-a-Band and Moshling Gooperstars. It was confirmed on pages 20 and 21 in the Moshi Monsters Magazine (Issue 31 UK). In the festival, a related mission will come out called MopTop Mischief which is the sixth mission in season three.