User blog comment:UFO Editor/Season 7 spoiler thread/@comment-5066566-20110319202016/@comment-392210-20110319233111

It is episode 4.12, "In Buddy's Eyes". It's right in the beginning of the episode, after the teaser, because I remember the "guest starring Jason Gedrick" credit popping up during that scene. (I'm such a dork when it comes to DH... :P) And yes, it is an awesome line.