I've Got You Under My Skin

In a attempt to escape from a mob, Woody Samms uses a mystical stone to exchange his body with Clark's, and Clark goes to his body. While Clark tries to find out what is happening, Woody decides to stay with Clark's body, because obviously, he found out that Clark is Superman. And this time Clark will need to convince Lois that he is in another body and needs her help to get back to his.