The rural town of Smallville, Kansas is changed forever when a meteor shower brings an alien child to Earth. Ten years later, a teenage Clark Kent is the only one who can stop a young man who was given inhuman abilities by the meteor rocks.
The high school football coach discovers that he has the ability to cause spontaneous combustion, and Clark is the only one who can stop him in his rush for glory.
A football player must drain the heat from others in order to stay alive after a freak accident with meteor rocks, and soon goes after Clark's friends and family.
Clark must face an invisible enemy at the Luther Mansion when a teenage girl with unnatural abilities becomes enamored with Lex. Lana turns to Clark when Whitney pushes her away.
When Clark is struck by lightning, his powers are transferred into another man -- leaving him an ordinary teenager. But the young man becomes a danger to the whole town as he explores his new-found superpowers.
Clark must decide which of his romantic interests to pursue when Chloe becomes involved with an old friend -- one who has gained the ability to move things with his mind. Lana begins to question her relationship with Whitney.
An accident allows Lana to see through the eyes of a criminal -- who kidnaps Chloe. Lex finds evidence that more than meteors hit Smallville 10 years ago.
Disaster strikes Smallville when a massive tornado interrupts the spring formal. A reporter discovers Clark's hidden spacecraft, and Whitney makes a life-altering decision.