 In "Cold Days", Harry briefly borrows Bob back from Butters before returning him on Murphy's advice.In "Skin Game", Bob acts as Butters' sidekick, teaching him how to make gadgets and use low-level spells (and using his magical energy to power those spells) to help Butters in his perceived mission of vigilantism.Bob's character is significantly altered to give him a more prominent role in the TV series.