Looking back four years after the first episode of Superman & Lois debuted, I'm still surprised the show never used 1 villain storyline with Superboy, despite the number of theories that it would come to fruition at some point in its narrative. Superman & Lois' ending brought the show to a conclusion 3 years and four seasons after its first episode hit screens in February 2021, bringing an iconic version of the DC hero's story to an end. However, it's safe to say there was a lot of drama and action along the way.