They've been friends for more than 30 years and he wrote the forward for her new book, The Wizard of Us. Plus, they just happened to tape "Super Soul Sunday" on the very same day! During some downtime in filming, Jean Houston and Deepak Chopra sat down with our backstage crew to discuss their longtime friendship.

What are the greatest lessons these thought leaders have learned from one another? Watch to find out:

While reminiscing about some of their favorite stories, Jean shares a moment from Deepak's childhood that always stuck with her. Hear the story:

Finally, Deepak says there's one very good reason everyone should tune in for Jean and Oprah's conversation this Sunday. He reveals it here: