In the season 4 episode "A Regular Guy," we finally meet ... Lois decide to tell their two sons that he is Superman, it immediately changes the family dynamic and the trust between them.

Having passed on the torch of Superman to his sons, Clark spent the rest of his days being a regular guy, living with Lois ...

Clark agreed this was uncomfortable, but thought the secret was essential to giving his family ... is to Superman by removing him from the Man of Steel’s life. “A Regular Guy” ends on ...