Sean: [running from a dinosaur] Haven’t you ever seen a dinosaur before? 
Trevor: Not with skin on it! 

[from trailer
Trevor: [in complete awe] Ladies and gentlemen, I give you the center of the Earth. 

[Sean and Trevor have fallen behind Hannah, tired of climbing
Sean: I call dibs on the mountain climber. 
Trevor: What? You’re thirteen; you can’t call dibs. 

Trevor: [as they are climbing] Hey, look at all the shist. 
Sean: What? 
Trevor: It’s a metamorphic rock. Green shist, white shist, micro-guarded shist- 
Sean: Oh. Shist. 

Hannah Ásgeirsson: [all climbing down] Just make conversation with me Sean. 
Sean: So, uh, Hannah. Do you come here often? 
Trevor: [laughs] That can’t be the best you can do! 
Sean: [yells] Hey! I’m trying to make converstation! 
Hannah Ásgeirsson: It’s OK. No Sean, I don’t come here often. 

Trevor: [sees Sean playing a PSP] What is that? A… Gameboy? 
Sean: PSP. 

Trevor: [holds up Max’s yo-yo] This was your old man’s PSP. 

Sean: [seeing a deserted field in the center of the Earth] Dang, I wish I read that book.