This Friday marks the final new episode of Smallville until April 2.

How will the show leave viewers hanging? With an installment titled "Conspiracy" that features a resurrected doctor.

Determined to prove aliens have invaded the planet, this crazed doc will kidnap a bunch of Zod's people, along with Lois, in order to expose his truth. Watch the following, official CW preview for the episode now:

[video url="http://www.tvfanatic.com/videos/conspiracy-trailer/" title="Conspiracy Trailer"] [/video]

Visit our Smallville spoilers section for more on the show, and check out a clip from "Conspiracy" below.

[video url="http://www.tvfanatic.com/videos/conspiracy-clip/" title="Conspiracy Clip"] [/video]

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.