Throughout 2004 and 2005, Anderson made numerous appearances with World Wrestling Entertainment, wrestling in dark matches and on Velocity. On June 12, 2005, he appeared at the WWE promoted ECW reunion show ECW One Night Stand, sitting at ringside.
On May 4, 2006, Anderson was hired by WWE to work on their new brand, ECW. Throughout June and July, Anderson wrestled at ECW house shows and in ECW on Sci Fi dark matches. On August 1, he became known as Christopher W. Anderson. He made what would be his only ECW television appearance on August 22, 2006, losing to CM Punk. Anderson was released by WWE on January 18, 2007, along with ten other superstars.