When Jimmy is invited to speak at the S.T.A.R. Labs Symposium, Clark is happy to come along as support ... until Lex Luthor takes over! Meanwhile, The General goes on the run -- and Lois runs after him, visions of their past clashing with the present.

Jimmy and Kara race back to Metropolis to stop Brainiac's invasion of Earth! Meanwhile, Lois tries to free Clark from Brainiac's control, only to lose herself in an alternate reality where Superman never left Krypton…