Maj. Lorne and Dr. Parrish in “Unfinished Business”

You know, when they told me I'd be travelling to another galaxy, visiting strange new worlds, defending humanity against unimaginable alien threats, this just is not what I pictured!

We could be saving Earth -- right here, right now, Major.

Oh yeah? How's that?

Through a greater understanding of the long-term effects of severe ozone depletion on plant life. You may not want to admit it, but it's a real danger.

[sarcastically] Oh yeah! Sure! Global warming -- Wraith attack. I see the similarity now, you're right! Yeah, it's great!