101. In "Top Copy" when Lois confronts Clark about where he ran off to when she was saying she wanted to start dating, on the next morning, Clark gives in and admits that he is really Superman and went to do a rescue.
102. In "Return of the Prankster", Clark decides to go with Lois to get the special contacts from Dr. Hamilton. Once they leave Hamilton's office he takes off his glasses and puts in the contacts in front of Lois, so she realizes CK=SM.
103. In "Top Copy" Lois comes up to Clark's door a bit sooner when he goes home sick and sees him changing into his Superman uniform just as Diana and her cameraman did.