Here's a whole bunch of them...
Rinkus: How is spring not everyone’s favorite season? The trees are PINK, guys!
Sierra: Allergies are also a problem, y'know.
Rinkus: But pink.
Pterano: And it's hot.
Rinkus: PINK!
--
Guido: Why do you not believe that ghosts are real?
Ali: Never seen one.
Guido: Okay, I mean, there’s a lot of things that you can’t see that are real.
Ali: What can’t I see?
Guido: You can’t see gravity. That’s real.
Ali: Yeah, I can drop a treesweet.
Guido: Eggs.
--
*playing twister*
Mo: Right hand red.
Guido: *ends up on top of Tippy*
Tippy: Mo doing this on purpose, isn't he?
Mo: Mo stop spinning like 15 minutes ago. Honestly, Mo surprised you no notice.
(shoutout to Sharptooth Valley)
--
Shorty: Skitter, we tried things your way.
Skitter: No, we didn't.
Shorty: I did it in my head and it didn't work.
--
Littlefoot: I have a problem.
Cera: Kill it.
Littlefoot: Can you chill for like, two seconds?
--
Cera: Vegetable oil is made from vegetables, coconut oil is made from coconuts, so BABY OIL-
Ducky: CAN WE JUST HAVE A NICE TIME OF THE GREAT GIVING FOR ONCE?!
--
Petrie, confused and exasperated: Ducky, how you plan on telling a sharptooth to go vegan?
Ducky: Politely
--
Tippy: Hi-
Ducky: Leave before there is a terrible misunderstanding between my foot and your tail.
--
Tippy: Where are Spike's parents?
Spike: What are parents?
Tippy: That just about the saddest thing Tippy ever heard.
--
Tippy: Tippy has bad feeling about this...
Littlefoot: What do you mean?
Tippy: Doesn't Littlefoot ever get that little voice in his head that tells him if he's going to get into trouble?
Littlefoot: No?
Ducky: That actually explains so much.
--
Petrie: Look, me know you think me judgement clouded because me like Ducky a little bit.
Littlefoot, looking at a mudpile on the ground: You doodled your wedding invitation.
Petrie: No, that our joint tombstone.
Littlefoot: My mistake.
--
Littlefoot: When I first met you, I did not like you.
Cera: I'm aware of that.
Littlefoot: But then you and I had some time together.
Cera: Uh-huh?
Littlefoot: It did not get better.
--
Tippy: Time sensitive question how flirt boy.
Cera: Throw rocks at he.
Littlefoot: Hot dogs.
Ducky: Kill him.
Tippy: Thanks guys.
--
Spike: I’m afraid of clowns. There, I said it.
Ducky: Spike, if you don't like clowns, why are you hanging with Tippy?
--
Petrie: Me tummy growl super loud in French.
Petrie: I would like to clarify, me tummy did not speak in French. It growl during French class.
Ducky: Bonjour.
Spike: Le growl.
Littlefoot: Hon hon hon, feed me a treestar.
--
Ducky: Littlefoot, gather the others. We need to have another Cera-is-doing-something-stupid-again-and-we-have-to-stop-her-before-she-hurts-someone convention.
--
Ducky: What are you two arguing about this time?
Cera: They’re always using common phrases incorrectly!
Littlefoot: Cry me a table, Cera.
--
Tippy: Spike is perfect cinnamon scone who’s never done anything wrong in his entire life!
Littlefoot: Never done anything wrong?! He set a valley on FIRE!
Bonus under the spoiler!
Jonesy: *pitches an idea*
Jude, impressed: Huh, there might be something here!
Wyatt, under his breath: Yeah, a lawsuit.