Synopsis:
Clark discovers the messages Kara sent are from Krypton are from the past and indicate that Brainiac wants to kill Baby Kal-El to erase Clark from the future. Clark is torn because he thinks the world might be better off if he had never arrived in Smallville. Jor-El arranges for him to see what life would have been like if Clark hadn't existed - Lex is President of the United States, Kara is raised by the Luthors and works for Lex, Jonathan is alive, Lana is happily married and Chloe and Lois are ace reporters. But President Lex is controlled and manipulated by Brainiac who plans to destroy Earth to make a new Krypton. Clark realizes only he can stop the two villains from ever rising to power. Using the key and the fortress, he travels to Krypton to save Kara and stops Brainiac's evil plan.
Previous Episode