Episode Title:Goblin Dogs / By the Book.Episode Description:Goblin Dogs: Star, Marco, Pony Head, and a bush-themed female named Kelly go to an unidentified desert-themed dimension to purchase a Goblin Dog (a goblin version of a hot dog). They end up having a hard time when they must deal with the various jobs of the goblin vendor Roy and the many lines that lead to the Goblin Dog truck.
By the Book: Star has not been following the advice of Glossaryck when it comes to mastering new spells causing the two of them to have a falling out. Marco does various things in order to get Star and Glossaryck to reconcile. Meanwhile, Ludo hears the voices from within the wand that tell him what he needs to master his wand.