Combining psychology and sociology with her love of trickery and magic, Katherine crosses the line between the possible and the truly amazing.
Katherine takes us behind the cameras to reveal the making of the series finale.
Find out about the challenges of some of Katherine's larger scale experiments.
The mind magician takes us on a backstage tour of the 'haunted house'.
Series director Jon Richards explains how they create what he calls the 'Sherlock effect'.
A young boy makes up an imaginary friend with seemingly supernatural powers.
Can Katherine read her volunteer's mind like a book?
Things get spooky in a deserted house.
Katherine gets inside people's minds to unlock the full potential of the human brain.