James Burrows
NBC's unofficial "Friends" reunion, celebrating director James Burrows, will air Sunday on NBC. Photographed above: Burrows at the 67th annual Directors Guild of America Awards in Century City, California, on Feb. 7, 2015. Getty Images

For the first time in more than a decade, the cast of NBC's "Friends" are reuniting — a majority of them, anyway. The special, titled "Must See TV: An All-Star Tribute To James Burrows," plans to bring together the casts of several shows helmed by the esteemed director.

NBC's tribute to Burrows will air on the network Sunday, Feb. 21. The show will begin at 9 p.m. EST, and cable subscribers will be able to watch the special online here by entering information about their provider.

The show will be hosted by Bravo's Andy Cohen, who will ask the "Friends" cast — as well as stars of shows like "The Big Bang Theory," "Will and Grace," "Taxi" and more — difficult questions about working with Burrows, their shows and their relationships behind the scenes. As was reported Feb. 4 by E! Online, Cohen, 47, reportedly questioned five of the attending "Friends" stars about potential relationships behind the scenes. The question caused quite a stir, with Schwimmer and Kudrow squirming in their seats.

All six members of the "Friends" cast — Jennifer Anniston, Lisa Kudrow, Courtney Cox, David Schwimmer, Matt LeBlanc and Matthew Perry —will be featured in the special. However, Perry, who played Chandler Bing, was not able to be there in person. A spokesperson for the former "Friends" star broke the news in a statement release to USA Today. She told viewers that, sadly, "this is not the reunion people have been hoping for." According to reports from TV Line, the actor is currently in London working on a play. Although he could not join his former co-stars, Perry did manage to film something to be included in the show ahead of time.

You can catch "Must See TV: An All-Star Tribute to James Burrows" Sunday on NBC at 9 p.m. EST. Check out previews for the show below: