IT’S CLARK VS ZOD IN THE SEASON FINALE – Zod (Callum Blue) unleashes his army upon the world, forcing Chloe (Allison Mack) to call in reinforcements from old friends. Zod tells Lois (Erica Durance) he is The Blur and asks her to steal the Book of Rao from Clark (Tom Welling). Torn between Clark and The Blur, Lois asks Clark to come clean with her about everything but he refuses. Chloe (Allison Mack) and Oliver (Justin Hartley) attempt to reconnect Watchtower’s satellite system in order to fight the Kandorians but to Chloe’s horror, Oliver gets caught on site and disappears. Tess attempts to stop Zod but he leaves her clinging to life. Clark and Zod battle for control of Earth.
THE GREEN ARROW CALLS ON THE FLASH, AQUAMAN AND CYBORG TO FORM A LEAGUE OF SUPERHEROES – The Green Arrow (Justin Hartley) sends out for reinforcements and Bart Allan, a.k.a. The Flash (guest star Kyle Gallner), Aquaman (guest star Alan Ritchson) and Cyborg (guest star Lee Thompson Young) return to Smallville to help him take down LuthorCorp’s secret lab. During a break-in at the LuthorCorp facility, Bart is captured and tortured by Lex (Michael Rosenbaum) and Clark (Tom Welling) sets off to rescue him but is felled by meteor rock. An alarmed Chloe (Allison Mack) goes to Oliver for help, and the newly formed “justice league” springs into action to rescue Clark and Bart.
DC COMICS’ CYBORG COMES TO SMALLVILLE – A sympathetic doctor releases a half-human/half-machine subject named Victor who was being held captive and experimented on by LuthorCorp. While making his escape, Victor is struck by Lana’s car. After watching him walk away without a scratch, Lana calls Clark to investigate. Clark befriends Victor and promises to help him find his girlfriend, but Lex traps Victor and takes him back to LuthorCorp.