Smallville: When Each Main Character Discovered Clark Was Superman

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Here's how each of the main characters in Smallville found out the truth about Clark Kent (Tom Welling) being Superman. Like most superhero stories, one of the most important elements of Smallville was Clark's secret identity. Since the pilot episode, Clark tried hard to protect the secret of his powers and his Kryptonian heritage from the people around him, but there were times when Clark either failed to hide the truth, or was compelled to come clean.

Because of Superman's morality, he'll always be known as the Big Blue Boy Scout, but throughout most of Smallville, Clark found himself in positions where he had to lie and keep secrets from the people closest to him. The damage that Clark's lies did to his relationships were an important part of the first six seasons of the series. Despite his best efforts, however, the truth regarding his secret identity was discovered by various main characters throughout the show's run.

Related: How Smallville Addressed Clark Taking Too Long To Become Superman

During Smallville's ten-season run, Clark met a number of people who he was able to be honest with. With some, Clark came clean willingly, while others had to find out the truth on their own. Here's how all the main characters who knew Clark's secret on Smallville first discovered who he really was (in order).

In Smallville season 1, the only people Clark could talk to about his powers were his parents, Jonathan (John Schneider) and Martha (Annette O'Toole). That changed in season 2 when Clark's best friend, Pete Ross (Sam Jones III), found Clark's spaceship after it got swept up in the tornado from the Smallville season 1 finale. Pete wanted to tell people about the ship, forcing Clark to come up with excuses to stop him. When