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 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 see...

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.

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.

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

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.

The first episode tells the story of the meteor shower that hit Smallville and changed life in the Kansas town forever. Clark Kent meets Lex Luthor for the first time and encounters the first in a long line of humans mutated by strange gree...

Meredith and Derek work on their last patient in their clinical trial, as the other surgeons try desperately to free a hardening block of concrete. Izzie helps Alex care for Rebecca, and Lexie discovers important information about George�...

Dr. Wyatt refuses to let Meredith give up on therapy. Alex learns something else about Rebecca. The Chief wants Erica to perform a daring surgery. Cristina continues to act strange. Alex gets to know about Rebecca's fake pregnancy. Thi...

Meredith continues on with her clinical trial. George becomes the Chieves intern, while Yang tries to deal with the fact that Burke won an award and didn't mention her name. Stevens finds it difficult to tell Alex about Rebecca's ...

Addison visits Seattle Grace because they need skills that only she has. Rebecca/Ava returns with news for Alex. Meredith and Derek's clinical trial experiences one or two developments.

Time, specifically six weeks, has passed but sexual angst still runs rampant in the halls of Seattle Grace. Derek and Rose have been dating. Meredith has noticed the activities of her current off-again ex-boyfriend. George and Lexie are get...

George has a surprise visitor. Bailey's family is falling apart. Derek sorts through what kissing Rose means. Meredith discovers something that doesn't inspire hope or happiness in her. Alex treats a faith healer (Source: TV.com).

Meredith works furiously to save a paramedic trapped in an ambulance; Lexie holds the life of a patient in her hands; Derek must rely on a nurse to save a patient; Bailey struggles to balance her personal life with her work.

An ambulance crash endangers the lives of the paramedics involved, as Meredith and the Chief work on-site to save them, Bailey treats a patient who refuses her help, and Ava returns for Alex and meets his other girlfriend in the process.

There has been a bus crash and the patients are in the ER. Meredith and Derek's relationship gets more complicated when he dates a fellow doctor. Meredith's dad visits her at the hospital (Source: TV.com).