We've all heard of 'vibes' -- it's a street name for seemingly inexplicable bursts of intuition, and often otherwise skeptical people can find themselves reacting to some unknown fear or desire. Explanations for this phenomenon range from allegations of psychic powers to microexpressions and the depths of the unconscious mind. In tonight's episode, Ben, Matt and Noel dive deep into theories that may explain vibes -- and Ben creates an intriguing theory that may solve the mystery of 'haunted houses.'