Darwin is too polite to speak his mind, so Gumball teaches him to be direct via an epic battle of insults.

Cast: Logan Grove, Kwesi Boakye, Travis Blake, Ben Bocquelet, Max Cazier, Fergus Craig, Stefan Ashton Frank, Steve Furst, Teresa Gallagher, Fergus Graig, Mic Graves, Hugo Harold-Harrison, Hugh Harrison, Tony Hull, Adam Long