Jimmy Kimmel pretends to be Jay Leno for the entirety of his show
One of the most intense late-night controversies occurred in early 2010 when Jay Leno took over The Tonight Show from Conan O'Brien after briefly leaving the program. Fans were furious, accusing Leno of forcing O'Brien off the air—including Jimmy Kimmel, who took the opportunity to dress up like Jay Leno and do an entire episode of his show posing as the talk show host.