CW have released the official episode description for the Season Six Premeire titled "Zod"
CLARK IS TRAPPED IN THE PHANTOM ZONE WHILE ZOD TAKES OVER LEX’S BODY AND PLOTS TO DESTROY EARTH; JIMMY OLSEN JOINS THE DAILY PLANET
Thrown into the Phantom Zone, a Kryptonian jail created by Jor-El, Clark finds himself without powers and surrounded by revenge-seeking criminals sent away by his father. Meanwhile, having taken over Lex’s body, Zod keeps Lana captive with a demand to sire him an heir and begins his plans to turn Earth into a Krypton-like planet using the alien ship’s hard drive. After Lois and Martha’s plane crashes near the Fortress of Solitude, Jor-El tells Martha how to kill Zod. Back at the Daily Planet, Chloe reunites with an old flame, Jimmy Olsen.
Thrown into the Phantom Zone, a Kryptonian jail created by Jor-El, Clark finds himself without powers and surrounded by revenge-seeking criminals sent away by his father. Meanwhile, having taken over Lex’s body, Zod keeps Lana captive with a demand to sire him an heir and begins his plans to turn Earth into a Krypton-like planet using the alien ship’s hard drive. After Lois and Martha’s plane crashes near the Fortress of Solitude, Jor-El tells Martha how to kill Zod. Back at the Daily Planet, Chloe reunites with an old flame, Jimmy Olsen.
