Bored with life in his home dimension, a magical imp visits Smallville just as a silver Porsche heads for a young man on the Loeb Bridge...

Now that Clark and Lana are finally together, it's time for Clark to tell Lana everything. Including how the meteor shower, which arrived with his spaceship, killed her parents.

An impoverished Lex lashes out at his tormentors at Smallville High, by holding them at gunpoint.

Clark Kent and SG-1 learn of a world where Dawn Stiles took over the body of President Henry Hayes, just about the time Skynet tried to take over the world.

As the producers of "Smallville" plan the final episode of the series, they are unaware an evil being from the show has infiltrated their meeting.

While Davis Kent tries to persuade his girlfriend Chloe Sullivan that Smallville's local monster is as helpful as the Hulk, Lois Lane recruits Clark Luthor to help track the Beast.

When Kryptonians invade Smallville, guess who's at the head of the army?

While battling a demon and the witch Isobel, Sam, Dean and Clark are thrown into another reality where Sam and Dean are only characters on a TV show. Can a mysterious figure help Clark get back on track to his proper destiny?

When Data, Geordi and Commander Riker visit the Smallville program on the holodeck, it impacts the Legion in the 31st century.

To aid him in making an important decision, Data visits the holodeck and interacts with Clark Kent, Lex Luthor and others in the Talon. The crucial decision ends up having a huge impact on Earth's history.