Smallville - Season 2 Episode 23 -

As Clark has finally begun dating Lana, Helen Bryce cancels her wedding to Lex after being told to by Lionel. But later, Helen realizes that she loves Lex and they finally get married. Meanwhile, Jonathan and Martha are thrilled to learn Martha is pregnant. The memory/spirit of Jor-El speaks to Clark via the spaceship, telling him he must leave Smallville, his parents and friends to fulfill his destiny. Clark decides to destroy the spacecraft, and the spirit of Jor-El with it, by using Lionel's kryptonite-made hexagon key that he made a copy of off the late Dr. Walden...