Spoilers for Episode 8.03 "Toxic" - Airing 10/2/08 (CW-US)

[Vilandra]

Episode 8.03: Toxic
Airdate: October 2, 2008

07/20 - Roles now being cast for "Toxic" include a Reporter, Marcos, Guard, Angelica, Megan, and Police Officer. Oliver is poisoned and collapses at a fundraiser tying in with the release of the Warrior Angel movie. Chloe and Clark attend the fundraiser together. Source: KryptonSite

Source: SpoilerFix.com (http://www.spoilerfix.com/smallville.php)

[Vilandra]

08/28 - Oliver Queen/Green Arrow will also get the spotlight in an upcoming episode where he is poisoned, and that also gives Clark and Chloe some reason to spend quality time together: "That's an episode that we will find out a lot about Oliver and his past, and Clark and Chloe will work together to save him," [says exec producer Darren Swimmer.] Source: Kristin on E!Online

08/24 - Oliver's poisoning causes Lois to revisit her feelings for him as she visits him in the hospital. Source: KryptonSite

08/13 - After Oliver is poisoned, Chloe calls a paramedic she knows (cue Davis Bloome) for what might be the first meeting between Davis and Clark. Source: KryptonSite

Source: SpoilerFix.com (http://www.spoilerfix.com/smallville.php)