In "Nergal's Pizza", Nergal and Grim start rival pizza franchises. In "Hey, Water You Doing?", a trip to a water park goes south when Billy, Mandy and Grim all wind up underwater and a mermaid falls in love with Billy.
In "Company Halt", Hector Con Carne and his army arrive in Endsville and try to lure Skarr back to their side. In "Anger Mismanagement", Grim, Skarr and Mandy all receive help in trying to keep their tempers in check.