Clark discovers that the strange orb (first seen in 'Strange Visitor (from Another Planet)' contains recordings made by his father, Jor-El. But he has barely begun to explore them when a young thief steals the artifact and sells it to the worse possible buyer - Lex Luthor. Written by
Did You Know?
At the end of the episode Clark's childhood tree house was named "Fortress of Solitude". This was the name of Superman's headquarters in DC Comics. The Fortress made its first appearance in issue May-June 1949 and is traditionally said to be located in the Arctic. Since the series was supposed to be about Clark, and Superman was his secret identity, and not the other way around as in the comic series, the Fortress was not needed. See more
I think Clark may be holding out on me.