Big feelings and bigger decisions are revealed when a new witch makes herself known in Purgatory.

Imprisoned on the other side of the universe, the mighty Thor finds himself in a deadly gladiatorial contest that pits him against the Hulk.

On the verge of completing his mission, Harry faces his own humanity.

As HarvestFest in Smallville arrives, Luthor approaches Lois while the missing Derek reappears with more than he left with.

Look back at some of Star Trek's most memorable holodeck episodes.

Look back at some of Star Trek's most memorable holodeck episodes.

On the series debut, a Chinese American woman returns home from a life-changing journey to find her town overrun with crime and corruption.

Two men must try to save the world after aliens threaten to blow it up.