In this very special episode, things are told from the perspective of a visiting doctor from Puerto Rico.
Glen gets upset about Cat's new boyfriend. Meanwhile, a new doctor may be able to cure The Chief.
Blake challenges Nate to a competition where the two doctors must perform surgery using only the healing power of laughter.
Blake tells Lola he knows her brain tumor is fake. Meanwhile, Glen tries to get revenge on Cat's new boyfriend.
In the season finale Max performs surgery on The Chief and Blake tries to cure Lola's nonexistent tumor.