* A majority of the cast get off decent one-liners, due to Hawks' love of DeadpanSnarker characters.
* Nikki's immediate response to the question "How do you kill a carrot?"
** "Cook it." Funny because it's given so quickly and nonchalantly that the audience can't help but chuckle at how ''simple'' a solution it could be.
* The thermite destroys the priceless FlyingSaucer. They then find the alien corpse.
-->"How are we going to get it out of the ice?"
-->"How about some more thermite?"
-->"Knock it off!"
* Scotty's gloomy comment on the likelyhood of finding the Thing.
---> "When we lose 'em they stay lost!"
* The radio man's response, cut off by the closing door, to a casual last minute caution by Hendry.
---> "What do you mean guns are no good?!"
* This line towards Scotty, and Scotty's response.
--> "Well Scotty, did you get your picutre?"
** Everyone looks to Scotty, only to watch him fall over backwards as he faints.