The article discusses whether the sitcoms Two And A Half Men and The Big Bang Theory share the same universe. Both shows were created by Chuck Lorre and gained immense popularity. However, it has been established that The Big Bang Theory is merely a show within the world of Two And A Half Men, with references made by characters in the latter. The article also mentions a cameo by Charlie Sheen in The Big Bang Theory. While The Big Bang Theory continues with its prequel, Young Sheldon, the chances of a Two And A Half Men revival seem unlikely due to past controversies.