The show is interactive, encouraging television viewers, often along with a handful of live volunteers, to engage in visual, auditory, and other cognitive experiments, or 'brain games', that emphasize the main points presented in each episode. Neil Patrick Harris was the unseen narrator in the first season, replaced by Jason Silva for the remainder of the series as its host and presenter in addition, sleight-of-hand artist Apollo Robbins has been a frequent consultant and illusionist guest on the show.
Brain Games is a popular sciencetelevision series that explores cognitive science by focusing on illusions, psychological experiments, and counterintuitive thinking.