Season 4
Following an action-packed and dramatic season three finale, the Kent family continues their fight against their biggest enemies in the upcoming final season. With Lois still reeling from her battle with cancer and Lex Luthor and his proxy Bizzarro-turned-Doomsday still a threat to Smallville and Superman, viewers are left hanging on edge amid this epic intergalactic battle in space.
Episodes
Superman is in a brutal battle with Luthor's monster; Lois and the boys race to save General Lane.
Lana and Sarah join the fight against Luthor; Jordan and Jonathan butt heads over a decision.
Reeling from failure, Jordan begins to spiral; Jonathan discovers newfound strength.
Lois helps throw Kyle and Chrissy an impromptu wedding that doesn't quite go as planned.
Lois takes bolder actions to stop Luthor; Jonathan juggles personal life and responsibilities; Clark discovers an unsettling truth.
Luthor plans to move LuthorCorp to Smallville, but finds opposition in Lana.
After some concerning interactions in town, Clark is determined to protect the secret that he's Superman – a task complicated by Jonathan and Jordan.
Luthor challenges Lois to a live telecast debate, though not everything is as it seems; John Henry and Clark face a troubling possibility.
Lois struggles against the fallout of the debate. Clark uses Luthor's tactics against him, while Jonathan and Jordan prepare for an impending battle.
The Kents fight with everything they have as Luthor makes his final move on Smallville.
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