Perhaps you don't watch much PBS, but this is one PBS television event you won't want to miss. “Robin Williams Remembered — A Pioneers of Television Special” will air Tuesday September 9th, 2014, on PBS.

You'll enjoy footage of the screen legend that has not been seen before. You'll catch Robin's last full-length television interview and you'll once again be proud of his efforts to entertain our troops overseas.
Variety says:

It will also feature tributes and interviews with Williams’ friends Henry Winkler, Yakov Smirnoff, Louie Anderson, Paul Rodriguez, Rick Overton, Blake Clark, Pauly Shore and George Schlatter, as well as Penny Marshall, Whoopi Goldberg, Jerry Stiller, Jimmie Walker and Williams’ “Mork & Mindy” co-stars Pam Dawber and the late Jonathan Winters.

So set your DVR to 9 p.m., Tuesday Sept. 9th, on your PBS station airing this not to be missed tribute to Robin Williams.

[Variety]