Tonight on Pierce Morgan Unscensor, one of the world's most influential and controversial intellectuals in his most revealing interview yet.

Dr. Jordan Peterson, one-on-one.

Live from the News Building in London, This is Pearce Morgan Unsensored.

Good evening from London. Welcome to Pierce Morgan Unsensored.

Jordan Peterson is the closest thing in the world to a rock star intellectual.

His books are overnight smash hits, millions watch him online,

his tours packed theatres and arenas across the world.

Tomorrow I'll bring you Jordan and his superstar daughter Michaela

together for their first major interview.

Tonight, though, it's the big dog, Jordan Peterson, uncensored.

Well, I've joined again by Jordan Peterson.

Jordan, it's been one year, can you believe that,

since you came and sat in my

studio and we had what was an extraordinary interview, got a very emotional one part of it.

A, can you believe it's a year? And what kind of reaction did you have to that interview?

Because some of the clips went so big and everyone was having a view about it. What was your reaction?

Well, I enjoyed talking to you.

And I was, I'm never that happy really

when I become emotional about something that's being discussed.

And sometimes for me, that's a consequence

of not exactly optimal health.

You know, it makes me a little bit more emotionally fragile

...