DS9 S6E09 - Statistical Probabilities

Doctor Bashir takes over the care of four patients who were genetically engineered, like he was. Unlike him, though, their procedures did not go well. While all extraordinarily brilliant, each suffers a different kind of mental disability that makes them unable to live on their own in the outside world. Bashir is hoping to find a way to help them, and may have it in unleash their mental powers on the Dominion War effort.