Episode: 7×18 (Season 7 Episode 18)

Name: Apocalypse

Originally Aired: May. 01, 2008

Plot: Clark discovers that Kara sent messages from Krypton in the past that indicate that Brainiac wants to kill Baby Kal-El so Clark will not exist in the future. Clark is torn because he thinks the world would 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, Jonathan is alive, Lana is happily married and Chloe and Lois are ace reporters.