National Geographic's Emmy-nominated series Brain Games returns for a 4th season with new mind-blowing episodes. Host Jason Silva and guest experts unlock the science behind the mysteries of why we say, eat, feel and act as we do. Through an intricate series of interactive experiments designed to mess with your mind, the inner-workings of your brain are revealed. Hailed by critics as "tremendous fun" that "makes science entertaining," Brain Games turns your mind's eye inwards for a fascinating journey into the three and a half pounds of tissue that makes you... you