We have a brand new clip and two new TV spots for the upcoming Season 8 finale of Smallville, entitled Doomsday, which will air on Thursday, May 14 at 8 PM ET only on the CW Network. Click below for these three new videos to get you pumped up for this season-ending episode.

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Oliver (Justin Hartley) tells Clark (Tom Welling) he must kill Davis (Sam Witwer), as Doomsday is a serious threat and must be stopped at all costs. However, Clark struggles with taking a human life, so the Green Arrow and his team decide to take matters into their own hands. Lois (Erica Durance) takes on Tess (Cassidy Freeman), but the fight takes a shocking turn. Meanwhile, Chloe (Allison Mack) gets caught in the middle of Oliver and Clark's battle over killing Davis.