I guess it airs tonight for members of the Insiders and on Monday Oct 3rd for the rest of us that aren't.
Check local listings for times.
I ran across this info on a Facebook group dedicated to Norm Abrams and I don't have any other details except what this link gives:
https://www.thisoldhouse.com/this-ol...hat-norm-built
I'll be right in the middle of a move and will miss it.