The superstar celebrity wrestlers dressed up in each other's WWE garb, then upped the weirdness level by learning the other's entrance routines.
But by far the most disturbing part of the switcheroo is the overdub. Nikki's voice just shouldn't be coming out of John's mouth.
Be warned: You will never unsee John Cena twirling around in tight leather short-shorts and a crop top. Proceed to the video above... if you dare.