What is the name of Howie HBO stand-up special where he performed in round?

You are likely thinking of "Howie Mandel: But Wait, There's More!" This HBO special from 2018 featured Howie Mandel performing in the round, with the audience surrounding the stage.

While he's known for his comedic style and his unique ability to connect with audiences, he also has a distinct set design in this special, adding to the overall performance.