Smallville Episode Details!

Episode 7x20 "Arctic"

Lois and Clark share a fun scene, and Lois learns that there was a time when Clark and Lex were very good friends, which surprises her.

- Even though Lex now owns the newspaper that Lois works for, that doesn't mean she hasn't been doing some digging of her own about him.

- Lex has at least one surprising ally on his side.

- Kara's strange behavior may lead to a Kara/Clark confrontation.

Source: KryptonSite