The Theater was built in 1984 and was the original home of four of the most successful shows in off Broadway History: Forbidden Broadway, Forever Plaid, Spamilton and Celebrity Autobiography. The Hit Comedy Show Celebrity Autobiography is now in it's 9th year at the venue and a month long workshop production of Seth Rudetsky's show Disaster went on to a Broadway Production at the Nederlander Theater.

Some of the notable performers who have performed on the Triad stage include Martin Short, Kristen Wiig, Kevin Hart, Ryan Reynolds, Matthew Broderick, Bob Weir (Grateful Dead), Vanessa Williams, Jake LaMotta, Brooke Shields, Paul Rudd, David Steinberg, Slash, George Bensen, Greg Allman, Gavin DeGraw, Bebe Neuwirth, Jim Dale, Peter Boyle, Tracey Morgan, Tommy Tune, Ben Vereen, Air Supply, Dion and many others from the worlds of comedy, music & theater. Lady Gaga made her professional debut on our stage as part of the Circle in the Square Cabaret Program.

In the 1980's Christopher Walken, Elizabeth Taylor, Liza Minnelli, Jack Nicholson, Robert DeNiro and many other well known performers would use the Theater for their own weekly private performances.

A 30 minutes Bose TV commercial was filmed at the Theater as well as TV episodes for a VH1 reality show with Michelle Williams of Destiny's Child. Amy Poehler filmed an episode of Difficult people in the venue. The Theater has also been featured on the cover of Manhatten Magazine and Miami Magazine with the Academy Award winning actor Adrien Brody. The Triad's proprietors are Peter Martin and Rick Newman (original owner of Catch a Rising Star Comedy Club and Pat Benatar's Manager).