Clark must deal with Greg, a nerdish bug collector with a crush on Lana who gains the ability of various insects and uses them to lash out at anyone who opposes him.

An abusive and hot-tempered football coach gains the ability to control and project fire.

Clark begins experiencing "vision problems" as his x-ray vision begins manifesting. Meanwhile a mysterious shapeshifter is going about town using his or her abilities to steal and get others in trouble.

A jock named Sean gains the ability to absorb heat from everything and everyone around him, and begins preying on people to gain the heat he needs to survive.

An old man uses green meteor rock to reverse the aging process, then gain vengeance on the children of the jury that put him away decades earlier. Meanwhile, another woman at the same old folks' home has prophetic abilities and she sees the futures of both Clark and Lex.

A weight-obsessed teen dieting on kryptonite-infected vegetables gains her fondest dream...but must feed on the fat of others to maintain her enhanced appearance.

An experiment at the Luthor fertilizer plant makes an old friend of the Kents literally shake and jitter, and he seeks vengeance against the Luthors, who hide the secret of his transformation behind "Level Three" at the local plant.

Clark visits Metropolis, and does a secret good deed - a police detective witnesses this and decides to look into it.

Lex and Victoria are victims of a suspected household poltergeist. As the disturbances become more violent, suspicion lands on Amy, the daughter of a house servant who is obsessed with Lex. Not is all as it seems...