The shows will be seen as part of the new Theater Close-Up series.
Bryan Cranston, Sutton Foster, and more were on hand to toast the honorees.
All four plays in the series will be captured for broadcast at a later date.
The final installment of Nelson's Apple Family Plays runs through December 15.
Richard Nelson's new drama completes the four-year tetralogy.
The Tony-nominated actor is in the repertory production of Richard Nelson's four-play cycle about a politically minded family in Rhinebeck, New York. That's eight hours of lines to learn right there.
The play runs in rep with Nelson's Sweet and Sad and Sorry.