The third clip from the CW to promote tonight's episode of Smallville, "Legion." In this clip Chloe (or Braniac) explains to Davis who she is and more importantly who he really is. Amazing performance by Allison Mack as always.

The second set of three clips released by the CW to promote tonight's episode of Smallville, "Legion." In this clip the Legion from the future explains why they came back to talk to Clark.

CW has released a set of three clips from tonight's episode of Smallville, "Legion." In this clip, we see the Legion first meet Clark after they save him from The Persuader.

A director's cut clip of the upcoming episode of Smallville, "Legion." In this clip the legion which consists of Saturn Girl, Cosmic Boy, and Lightning Lad all confront Braniac as he/she/it is trying to take all the world's knowledge.

In this clip from the upcoming episode of Smallville, "Legion," Brainiac has completely consumed Chloe and she reveals her plan to Clark to take the world's knowledge and then let Doomsday destroy the planet. Chillingly well done!