The epic Underdog story "King Sinister" concludes! With Underdog under his control, will anyone be able to stop Simon Bar Sinister and Cad from taking over the city? All the fun of Saturday morning cartoons returns in Underdog & Pals! Tune in for this next exciting episode! Underdog & Pals #3 comes with two covers - Main Hero Cover by Mat Hansel, and a special 350 copy Limited-Edition Retro Animation Cover!