Superman & Lois 3x13 "What Kills You Only Makes You Stronger" Season 3 Episode 13 Trailer (Season Finale) - SEASON FINALE – All of Smallville comes together to view a meteor shower, Lex Luthor (guest star Michael Cudlitz “The Walking Dead”) makes his move. Gregory Smith directed the episode written by Brent Fletcher & Todd Helbing (313). Original airdate 6/27/2023. - Season Finale